diff --git a/donation_certificate/__init__.py b/donation_certificate/__init__.py
new file mode 100644
index 000000000..082fa1746
--- /dev/null
+++ b/donation_certificate/__init__.py
@@ -0,0 +1,4 @@
+# Copyright <YEAR(S)> <AUTHOR(S)>
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+from . import models
+from . import wizard
diff --git a/donation_certificate/__manifest__.py b/donation_certificate/__manifest__.py
new file mode 100644
index 000000000..c2b69ca99
--- /dev/null
+++ b/donation_certificate/__manifest__.py
@@ -0,0 +1,27 @@
+# Copyright <YEAR(S)> <AUTHOR(S)>
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+{
+    "name": "Donation Certificate",
+    "summary": "Donation Certificate",
+    "version": "16.0.1.0.0",
+    "category": "Custom",
+    "website": "https://www.qubiq.es",
+    "author": "Brenda Fernández Alayo",
+    "license": "AGPL-3",
+    "application": True,
+    "installable": True,
+    "depends": ['report_py3o', 'donation', 'donation_base', 'mail'],
+    "data": [
+        "security/ir.model.access.csv",
+        "data/mail_template.xml",
+        "data/donation_sequence.xml",
+        'data/py3o_certificate_template.xml',
+        'views/donation_certificate_send_views.xml',
+        'views/tax_receipt_donation.xml',
+        'views/donation_send_cert_button.xml',
+        'views/py3o_certificate_report.xml',
+        'wizard/tax_receipt_annual_create_view.xml',
+        'wizard/tax_receipt_print_view.xml'
+    ],
+}
diff --git a/donation_certificate/data/donation_sequence.xml b/donation_certificate/data/donation_sequence.xml
new file mode 100644
index 000000000..2b76b9590
--- /dev/null
+++ b/donation_certificate/data/donation_sequence.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo noupdate="1">
+
+  <record id="donation_seq" model="ir.sequence">
+      <field name="name">Donation</field>
+      <field name="code">donation.donation</field>
+      <field name="prefix">DON-%(range_year)s-</field>
+      <field name="padding">4</field>
+      <field name="use_date_range" eval="True" />
+  </record>
+
+</odoo>
\ No newline at end of file
diff --git a/donation_certificate/data/mail_template.xml b/donation_certificate/data/mail_template.xml
new file mode 100644
index 000000000..43ac78c09
--- /dev/null
+++ b/donation_certificate/data/mail_template.xml
@@ -0,0 +1,44 @@
+<?xml version="1.0" ?>
+<odoo>
+    <data noupdate="1">
+        <!-- Comments: Todavia no sé qué estructura debería tener, pero si hay algun sugerencia la añado -->
+        <record id="email_template_donation_certificate" model="mail.template">
+            <field name="name">Donation: Certificate</field>
+            <field name="model_id" ref="donation.model_donation_tax_receipt" />
+            <field name="auto_delete" eval="True"/>
+            <field name="email_from">{{ object.company_id.email }}</field>
+            <field name="email_to">{{ object.partner_id.email }}</field>
+            <field name="subject">Donation Certificate</field>
+            <field name="description">Donation Certificate</field>
+            <field name="body_html" type="html">
+                <div style="margin: 0px; padding: 0px;">
+                    <p style="margin: 0px; padding: 0px; font-size: 13px;">
+                        Dear
+                        <t t-out="object.partner_id.name or ''">Donor name</t>,
+                        <br />
+                        <br />
+                        We want to express our sincere gratitude for your generous donation of
+                        <span style="font-weight:bold;" t-out="format_amount(object.amount, object.currency_id) or ''">$ 143,750.00</span>
+                        to our organization. This contribution is a testament to your commitment and trust in our work.
+                        <br />
+                        <br />
+                        With this collaboration you help us move forward with our mission. We sincerely appreciate your support.
+                        <br />
+                        <br />
+                        Cordially,
+                        <br />
+                        <br />
+                        <t t-out="object.company_id.name or ''">
+                            --
+                            <br/>
+                            Association name
+                        </t>
+                    </p>
+                </div>
+            </field>
+
+            <field name="lang">{{ object.partner_id.lang }}</field>
+            <field name="report_name">Donation Certificate</field>
+        </record>
+    </data>
+</odoo>
diff --git a/donation_certificate/data/py3o_certificate_template.xml b/donation_certificate/data/py3o_certificate_template.xml
new file mode 100644
index 000000000..b257f0cb4
--- /dev/null
+++ b/donation_certificate/data/py3o_certificate_template.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+
+    <record id="py3o_template_certificate_ES" model="py3o.template">
+        <field name="name">Donation Certificate ES</field>
+        <field name="filetype">odt</field>
+        <field name="py3o_template_fallback">report/PDA34_Certificat_de_donacions_ES.odt</field>
+    </record>
+
+    <record id="py3o_template_certificate_CAT" model="py3o.template">
+        <field name="name">Donation Certificate CAT</field>
+        <field name="filetype">odt</field>
+        <field name="py3o_template_fallback">report/PDA34_Certificat_de_donacions_CAT.odt</field>
+    </record>
+
+    <record id="py3o_template_certificate_FR" model="py3o.template">
+        <field name="name">Donation Certificate FR</field>
+        <field name="filetype">odt</field>
+        <field name="py3o_template_fallback">report/PDA34_Certificat_de_donacions_FR.odt</field>
+    </record>
+
+    <record id="py3o_template_certificate_EN" model="py3o.template">
+        <field name="name">Donation Certificate EN</field>
+        <field name="filetype">odt</field>
+        <field name="py3o_template_fallback">report/PDA34_Certificat_de_donacions_EN.odt</field>
+    </record>
+
+</odoo>
diff --git a/donation_certificate/models/__init__.py b/donation_certificate/models/__init__.py
new file mode 100644
index 000000000..bf2ad5dc1
--- /dev/null
+++ b/donation_certificate/models/__init__.py
@@ -0,0 +1,4 @@
+from . import py3o_report
+from . import py3o_template
+from . import donation
+from . import donation_tax_receipt
diff --git a/donation_certificate/models/donation.py b/donation_certificate/models/donation.py
new file mode 100644
index 000000000..db341dac5
--- /dev/null
+++ b/donation_certificate/models/donation.py
@@ -0,0 +1,70 @@
+from odoo import _, fields, models
+from odoo.exceptions import ValidationError
+from odoo.tools import get_lang
+
+
+class Donation(models.Model):
+    _inherit = "donation.donation"
+
+    is_certificate_send = fields.Boolean(
+        help="This field automatically becomes active when "
+        "the thanks letter has been send.",
+    )
+    attachment_ids = fields.One2many(
+        'ir.attachment',
+        'res_id',
+        domain=[('res_model', '=', 'donation.donation')],
+        string='Attachments'
+    )
+
+    def action_send_certificate(self):
+        self.ensure_one()
+        if not self.tax_receipt_id and self.tax_receipt_option == 'annual':
+            raise ValidationError(_("Annual receipt has not been generated yet."))
+        self.write({"is_certificate_send": True})
+        template = self.env.ref(self._get_mail_template(), raise_if_not_found=False)
+        lang = False
+        if template:
+            lang = template._render_lang(self.ids)[self.id]
+        if not lang:
+            lang = get_lang(self.env).code
+        compose_form = self.env.ref('donation_certificate.donation_certificate_send_wizard_form', raise_if_not_found=False)
+        ctx = dict(
+            default_model='donation.tax.receipt',
+            default_res_id=self.tax_receipt_id.id,
+            default_res_model='donation.tax.receipt',
+            default_use_template=bool(template),
+            default_template_id=template and template.id or False,
+            default_composition_mode='comment',
+            mark_invoice_as_sent=True,
+            default_email_layout_xmlid="mail.mail_notification_layout_with_responsible_signature",
+            force_email=True,
+            active_ids=self.tax_receipt_id.ids,
+        )
+        report_action = {
+            'name': _('Send Certificate'),
+            'type': 'ir.actions.act_window',
+            'view_type': 'form',
+            'view_mode': 'form',
+            'res_model': 'donation.certificate.send',
+            'views': [(compose_form.id, 'form')],
+            'view_id': compose_form.id,
+            'target': 'new',
+            'context': ctx,
+        }
+        return report_action
+
+    def action_print_tax_receipt(self):
+        """ Print the certificate and mark it as sent, so that we can see more
+            easily the next step of the workflow
+        """
+        self.filtered(lambda r: not r.is_certificate_send).write({'is_certificate_send': True})
+        return self.env.ref('donation_certificate.donation_certificate_report_py3o').report_action(self)
+
+    def _get_mail_template(self):
+        """
+        :return: the correct mail template based on the current move type
+        """
+        return (
+            'donation_certificate.email_template_donation_certificate'
+        )
diff --git a/donation_certificate/models/donation_tax_receipt.py b/donation_certificate/models/donation_tax_receipt.py
new file mode 100644
index 000000000..bb0fe87f9
--- /dev/null
+++ b/donation_certificate/models/donation_tax_receipt.py
@@ -0,0 +1,90 @@
+from odoo import _, fields, models, api
+from odoo.tools import get_lang
+
+
+class DonationTaxReceipt(models.Model):
+    _inherit = "donation.tax.receipt"
+
+    is_certificate_send = fields.Boolean(
+        help="This field automatically becomes active when "
+        "the thanks letter has been send.",
+    )
+    attachment_ids = fields.One2many('ir.attachment', 'res_id', domain=[('res_model', '=', 'donation.tax.receipt')], string='Attachments')
+    amount_donation = fields.Monetary(tracking=True, compute="_compute_amounts")
+    amount_donation_in_kind_consu = fields.Monetary(tracking=True, compute="_compute_amounts")
+    amount_donation_in_kind_service = fields.Monetary(tracking=True, compute="_compute_amounts")
+
+    @api.depends('donation_ids')
+    def _compute_amounts(self):
+        for rec in self:
+            amount_donation = 0
+            amount_donation_in_kind_consu = 0
+            amount_donation_in_kind_service = 0
+            for donation in rec.donation_ids:
+                for line in donation.line_ids:
+                    if line.product_id.detailed_type == 'donation':
+                        amount_donation = amount_donation + line.amount
+                    elif line.product_id.detailed_type == 'donation_in_kind_consu':
+                        amount_donation_in_kind_consu = amount_donation_in_kind_consu + line.amount
+                    else:
+                        amount_donation_in_kind_service = amount_donation_in_kind_service + line.amount
+            rec.amount_donation = round(amount_donation, 2)
+            rec.amount_donation_in_kind_consu = round(amount_donation_in_kind_consu, 2)
+            rec.amount_donation_in_kind_service = round(amount_donation_in_kind_service, 2)
+
+    def action_send_tax_receipt(self):
+        self.write({"is_certificate_send": True})
+        template = self.env.ref(self._get_mail_template(), raise_if_not_found=False)
+        compose_form = self.env.ref('donation_certificate.donation_certificate_send_wizard_form', raise_if_not_found=False)
+        ctx = dict(
+            default_model='donation.tax.receipt',
+            default_res_model='donation.tax.receipt',
+            default_use_template=bool(template),
+            default_template_id=template and template.id or False,
+            default_composition_mode='comment',
+            mark_invoice_as_sent=True,
+            default_email_layout_xmlid="mail.mail_notification_layout_with_responsible_signature",
+            force_email=True,
+            active_ids=self.ids,
+        )
+        report_action = {
+            'name': _('Send Certificate'),
+            'type': 'ir.actions.act_window',
+            'view_type': 'form',
+            'view_mode': 'form',
+            'res_model': 'donation.certificate.send',
+            'views': [(compose_form.id, 'form')],
+            'view_id': compose_form.id,
+            'target': 'new',
+            'context': ctx,
+        }
+        return report_action
+
+    def get_ref_report_name(self, lang):
+        report_names = {
+            'es_ES': "donation_certificate.donation_certificate_report_py3o_ES",
+            'ca_ES': "donation_certificate.donation_certificate_report_py3o_CAT",
+            'fr_FR': "donation_certificate.donation_certificate_report_py3o_FR",
+            'en_GB': "donation_certificate.donation_certificate_report_py3o_EN"
+        }
+
+        return report_names.get(lang, "donation_certificate.donation_certificate_report_py3o_EN")
+
+    def action_print_tax_receipt(self):
+        """ Print the certificate and mark it as sent, so that we can see more
+            easily the next step of the workflow
+        """
+        today = fields.Date.context_today(self)
+        self.write({"print_date": today})
+        self.filtered(lambda inv: not inv.is_certificate_send).write({'is_certificate_send': True})
+        lang = get_lang(self.env).code
+        report_action_py3o = self.get_ref_report_name(lang)
+        return self.env.ref(report_action_py3o).report_action(self)
+
+    def _get_mail_template(self):
+        """
+        :return: the correct mail template based on the current move type
+        """
+        return (
+            'donation_certificate.email_template_donation_certificate'
+        )
diff --git a/donation_certificate/models/py3o_report.py b/donation_certificate/models/py3o_report.py
new file mode 100644
index 000000000..5af5a5a40
--- /dev/null
+++ b/donation_certificate/models/py3o_report.py
@@ -0,0 +1,18 @@
+# Copyright 2013 XCG Consulting (http://odoo.consulting)
+# Copyright 2016 ACSONE SA/NV
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl)
+from odoo import models
+
+
+class Py3oReport(models.TransientModel):
+    _inherit = "py3o.report"
+
+    def _merge_results(self, reports_path):
+        self.ensure_one()
+        filetype = self.ir_actions_report_id.py3o_filetype
+        if not reports_path:
+            return False, False
+        if len(reports_path) == 1:
+            return reports_path[0], filetype
+        else:
+            return self._zip_results(reports_path), "zip"
diff --git a/donation_certificate/models/py3o_template.py b/donation_certificate/models/py3o_template.py
new file mode 100644
index 000000000..b94c0e01d
--- /dev/null
+++ b/donation_certificate/models/py3o_template.py
@@ -0,0 +1,34 @@
+from odoo import fields, models, api
+from base64 import b64encode
+# import sys
+import pkg_resources
+# import os
+
+
+class Py3oTemplate(models.Model):
+    _inherit = "py3o.template"
+
+    py3o_template_fallback = fields.Char(
+        "Fallback",
+        size=128,
+        help=(
+            "If the user does not provide a template this will be used "
+            "it should be a relative path to root of YOUR module "
+            "or an absolute path on your server."
+        ),
+    )
+
+    @api.model_create_multi
+    def create(self, vals_list):
+        module = "donation_certificate"
+        vals = vals_list[0]
+        if vals['py3o_template_fallback']:
+            flbk_filename = pkg_resources.resource_filename(
+                "odoo.addons.%s" % module, vals['py3o_template_fallback']
+            )
+            with open(flbk_filename, "rb") as tmpl:
+                tmpl_data = b64encode(tmpl.read())
+            vals['py3o_template_data'] = tmpl_data
+        #     if not rec.py3o_template_data:
+        #         rec.py3o_template_data = False
+        return super().create([vals])
diff --git a/donation_certificate/report/PDA34_Certificat_de_donacions.odt b/donation_certificate/report/PDA34_Certificat_de_donacions.odt
new file mode 100644
index 000000000..a8f19eb27
Binary files /dev/null and b/donation_certificate/report/PDA34_Certificat_de_donacions.odt differ
diff --git a/donation_certificate/report/PDA34_Certificat_de_donacions_CAT.odt b/donation_certificate/report/PDA34_Certificat_de_donacions_CAT.odt
new file mode 100644
index 000000000..a8f19eb27
Binary files /dev/null and b/donation_certificate/report/PDA34_Certificat_de_donacions_CAT.odt differ
diff --git a/donation_certificate/report/PDA34_Certificat_de_donacions_EN.odt b/donation_certificate/report/PDA34_Certificat_de_donacions_EN.odt
new file mode 100644
index 000000000..90ae41029
Binary files /dev/null and b/donation_certificate/report/PDA34_Certificat_de_donacions_EN.odt differ
diff --git a/donation_certificate/report/PDA34_Certificat_de_donacions_ES.odt b/donation_certificate/report/PDA34_Certificat_de_donacions_ES.odt
new file mode 100644
index 000000000..2c99a2b1a
Binary files /dev/null and b/donation_certificate/report/PDA34_Certificat_de_donacions_ES.odt differ
diff --git a/donation_certificate/report/PDA34_Certificat_de_donacions_FR.odt b/donation_certificate/report/PDA34_Certificat_de_donacions_FR.odt
new file mode 100644
index 000000000..0710ff783
Binary files /dev/null and b/donation_certificate/report/PDA34_Certificat_de_donacions_FR.odt differ
diff --git a/donation_certificate/security/ir.model.access.csv b/donation_certificate/security/ir.model.access.csv
new file mode 100644
index 000000000..7583f62bd
--- /dev/null
+++ b/donation_certificate/security/ir.model.access.csv
@@ -0,0 +1,7 @@
+id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
+access_donation_certificate_send,donation.certificate.send,donation_certificate.model_donation_certificate_send,base.group_user,1,1,1,1
+access_donation_donation,donation.donation,donation.model_donation_donation,base.group_user,1,1,1,1
+access_donation_tax_receipt,donation.tax.receipt,model_donation_tax_receipt,base.group_user,1,1,1,1
+access_tax_receipt_annual_create,tax.receipt.annual.create,model_tax_receipt_annual_create,base.group_user,1,1,1,1
+access_py3o_template,py3o.template,report_py3o.model_py3o_template,base.group_user,1,1,1,1
+access_donation_tax_receipt_print,donation.tax.receipt.print,donation_base.model_donation_tax_receipt_print,base.group_user,1,1,1,1
diff --git a/donation_certificate/static/description/icon.png b/donation_certificate/static/description/icon.png
new file mode 100644
index 000000000..e8f0fcf0f
Binary files /dev/null and b/donation_certificate/static/description/icon.png differ
diff --git a/donation_certificate/views/donation_certificate_send_views.xml b/donation_certificate/views/donation_certificate_send_views.xml
new file mode 100644
index 000000000..1070813b8
--- /dev/null
+++ b/donation_certificate/views/donation_certificate_send_views.xml
@@ -0,0 +1,67 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <record id="donation_certificate_send_wizard_form" model="ir.ui.view">
+        <field name="name">donation.certificate.send.form</field>
+        <field name="model">donation.certificate.send</field>
+        <field name="groups_id" eval="[(4,ref('base.group_user'))]"/>
+        <field name="arch" type="xml">
+            <form string="Certificate send &amp; Print">
+                <!-- truly invisible fields for control and options -->
+                <field name="composition_mode" invisible="1"/>
+                <field name="tax_receipt_ids" invisible="1"/>
+                <field name="email_from" invisible="1" />
+                <field name="mail_server_id" invisible="1"/>
+                <div name="option_print">
+                    <field name="is_print" />
+                    <b>
+                        <label for="is_print"/>
+                    </b>
+                    <div name="info_form" attrs="{'invisible': ['|', ('is_print', '=', False), ('composition_mode', '=', 'mass_mail')]}" class="text-center text-muted d-inline-block ms-2">
+                        Preview as a PDF
+                    </div>
+                </div>
+                <div name="option_email">
+                    <field name="is_email" />
+                    <b>
+                        <label for="is_email"/>
+                    </b>
+                </div>
+                <div class="text-start d-inline-block mr8" attrs="{'invisible': ['|', ('is_email','=', False), ('donation_without_email', '=', False)]}">
+                    <field name="donation_without_email" class="mr4"/>
+                </div>
+                <div name="mail_form" attrs="{'invisible': [('is_email', '=', False)]}">
+                    <div attrs="{'invisible': [('composition_mode', '=', 'mass_mail')]}">
+                        <group>
+                            <label for="partner_ids" string="Recipients" groups="base.group_user"/>
+                            <div groups="base.group_user">
+                                <span attrs="{'invisible': [('composition_mode', '!=', 'mass_mail')]}">
+                                    <strong>Email mass mailing</strong> on
+                                    <span>the selected records</span>
+                                </span>
+                                <span>Followers of the document and</span>
+                                <field name="partner_ids" widget="many2many_tags_email" placeholder="Add contacts to notify..." context="{'force_email':True, 'show_email':True}" attrs="{'invisible': [('composition_mode', '=', 'mass_mail')]}"/>
+                            </div>
+                            <field name="subject" placeholder="Subject..." attrs="{'required': [('is_email', '=', True), ('composition_mode', '=', 'comment')]}"/>
+                        </group>
+                        <field name="body" class="oe-bordered-editor" options="{'style-inline': true}"/>
+                    </div>
+                    <group>
+                        <group attrs="{'invisible': [('composition_mode', '=', 'mass_mail')]}">
+                            <field name="attachment_ids" widget="many2many_binary" string="Attach a file" nolabel="1" colspan="2" attrs="{'invisible': [('composition_mode', '=', 'mass_mail')]}"/>
+                        </group>
+                        <group>
+                            <field name="template_id" options="{'no_create': True, 'no_edit': True}" context="{'default_model': 'donation.tax.receipt'}"/>
+                        </group>
+                    </group>
+                </div>
+                <footer>
+                    <button string="Send &amp; Print" attrs="{'invisible': ['|', ('is_email', '=', False), ('is_print', '=', False)]}" data-hotkey="q" name="send_and_print_action" type="object" class="send_and_print btn-primary o_mail_send"/>
+                    <button string="Send" data-hotkey="q" attrs="{'invisible': ['|', ('is_print', '=', True), ('is_email', '=', False)]}" name="send_and_print_action" type="object" class="send btn-primary o_mail_send"/>
+                    <button string="Print" data-hotkey="q" attrs="{'invisible': ['|', ('is_print', '=', False), ('is_email', '=', True)]}" name="send_and_print_action" type="object" class="print btn-primary o_mail_send"/>
+                    <button string="Cancel" class="btn-secondary" special="cancel" data-hotkey="z" />
+                    <button icon="fa-lg fa-save" type="object" name="save_as_template" string="Save as new template" attrs="{'invisible': ['|', ('composition_mode', '=', 'mass_mail'), ('is_email', '=', False)]}" class="float-end btn-secondary" help="Save as a new template" data-hotkey="w" />
+                </footer>
+            </form>
+        </field>
+    </record>
+</odoo>
diff --git a/donation_certificate/views/donation_send_cert_button.xml b/donation_certificate/views/donation_send_cert_button.xml
new file mode 100644
index 000000000..c67f1f933
--- /dev/null
+++ b/donation_certificate/views/donation_send_cert_button.xml
@@ -0,0 +1,51 @@
+<?xml version='1.0' encoding='utf-8'?>
+<odoo>
+    <!-- Comments: Tengo mis dudas de si poner este botón o que el usuario acceda desde el botón "action" -->
+    <record id="donation_cert_form_inherit_donation" model="ir.ui.view">
+        <field name="name">donation.form.view.form.inherit</field>
+        <field name="model">donation.donation</field>
+        <field name="inherit_id" ref="donation.donation_form"/>
+        <field name="arch" type="xml">
+            <xpath expr="//form/header/button[@name='validate']" position="after">
+                <field name="is_certificate_send" invisible="1"/>
+            </xpath>
+        </field>
+    </record>
+
+    <!-- Comments: Interesa que se pueda enviar el certificado desde donationes?? -->
+    <!-- <record id="action_donation_send_and_print" model="ir.actions.server">
+        <field name="name">Send Receipt</field>
+        <field name="model_id" ref="donation.model_donation_donation"/>
+        <field name="binding_model_id" ref="donation.model_donation_donation"/>
+        <field name="state">code</field>
+        <field name="code">
+            if records:
+                for record in records:
+                    action = record.action_send_certificate()
+        </field>
+    </record> -->
+
+    <!-- Comments: Debería asignarlo a que solo lo vea el tipo de [groups="donation.group_donation_user"] ?? -->
+    <record id="action_donation_tax_receipt_send_and_print" model="ir.actions.server">
+        <field name="name">Send Certificate</field>
+        <field name="model_id" ref="donation.model_donation_tax_receipt"/>
+        <field name="binding_model_id" ref="donation.model_donation_tax_receipt"/>
+        <!-- <field name='groups_id' eval="[(4, ref('account.group_account_invoice'))]"/> -->
+        <field name="state">code</field>
+        <field name="code">
+            if records:
+                action = records.action_send_tax_receipt()
+        </field>
+    </record>
+
+    <record id="donation_tree_inherited" model="ir.ui.view">
+        <field name="name">donation.donation.tree.inherited</field>
+        <field name="model">donation.donation</field>
+        <field name="inherit_id" ref="donation.donation_tree"/>
+        <field name="arch" type="xml">
+            <xpath expr="//tree" position="inside">
+                <field name="tax_receipt_id" optional="hide" />
+            </xpath>
+        </field>
+    </record>
+</odoo>
diff --git a/donation_certificate/views/py3o_certificate_report.xml b/donation_certificate/views/py3o_certificate_report.xml
new file mode 100644
index 000000000..69948e3ea
--- /dev/null
+++ b/donation_certificate/views/py3o_certificate_report.xml
@@ -0,0 +1,61 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+
+    <record id="donation_certificate_report_py3o_ES" model="ir.actions.report">
+        <field name="name">Donation Tax Receipt ES</field>
+        <field name="model">donation.tax.receipt</field>
+        <field name="report_name">py3o_donation_certificate_ES</field>
+        <field name="report_type">py3o</field>
+        <field name="py3o_filetype">pdf</field>
+        <field name="py3o_template_id" ref="py3o_template_certificate_ES"/>
+        <field name="print_report_name">'Fiscal_receipt-'+(object.number or '').replace('/','')</field>
+        <field name="binding_model_id"></field>
+        <!-- <field name="binding_model_id" ref="donation.model_donation_tax_receipt"/> -->
+    </record>
+
+    <record id="donation_certificate_report_py3o_CAT" model="ir.actions.report">
+        <field name="name">Donation Tax Receipt CAT</field>
+        <field name="model">donation.tax.receipt</field>
+        <field name="report_name">py3o_donation_certificate_CAT</field>
+        <field name="report_type">py3o</field>
+        <field name="py3o_filetype">pdf</field>
+        <field name="py3o_template_id" ref="py3o_template_certificate_CAT"/>
+        <field name="print_report_name">'Fiscal_receipt-'+(object.number or '').replace('/','')</field>
+        <field name="binding_model_id"></field>
+    </record>
+
+    <record id="donation_certificate_report_py3o_FR" model="ir.actions.report">
+        <field name="name">Donation Tax Receipt FR</field>
+        <field name="model">donation.tax.receipt</field>
+        <field name="report_name">py3o_donation_certificate_FR</field>
+        <field name="report_type">py3o</field>
+        <field name="py3o_filetype">pdf</field>
+        <field name="py3o_template_id" ref="py3o_template_certificate_FR"/>
+        <field name="print_report_name">'Fiscal_receipt-'+(object.number or '').replace('/','')</field>
+        <field name="binding_model_id"></field>
+    </record>
+
+    <record id="donation_certificate_report_py3o_EN" model="ir.actions.report">
+        <field name="name">Donation Tax Receipt EN</field>
+        <field name="model">donation.tax.receipt</field>
+        <field name="report_name">py3o_donation_certificate_EN</field>
+        <field name="report_type">py3o</field>
+        <field name="py3o_filetype">pdf</field>
+        <field name="py3o_template_id" ref="py3o_template_certificate_EN"/>
+        <field name="print_report_name">'Fiscal_receipt-'+(object.number or '').replace('/','')</field>
+        <field name="binding_model_id"></field>
+    </record>
+
+    <record id="py3o_template_configuration_form_view_inherit_report_py3o" model="ir.ui.view">
+        <field name="name">py3o.template.view.form.inherit</field>
+        <field name="model">py3o.template</field>
+        <field name="inherit_id" ref="report_py3o.py3o_template_configuration_form_view"/>
+        <field name="arch" type="xml">
+            <xpath expr="//form/group" position="inside">
+                <!-- <field name="py3o_template_fallback" /> -->
+                <!-- <field name="py3o_template_data_from_fallback" /> -->
+            </xpath>
+        </field>
+    </record>
+
+</odoo>
diff --git a/donation_certificate/views/tax_receipt_donation.xml b/donation_certificate/views/tax_receipt_donation.xml
new file mode 100644
index 000000000..0b816fd58
--- /dev/null
+++ b/donation_certificate/views/tax_receipt_donation.xml
@@ -0,0 +1,25 @@
+<?xml version='1.0' encoding='utf-8'?>
+<odoo>
+    <!-- Comments: Tengo mis dudas de si poner este botón o que el usuario acceda desde el botón "action" -->
+    <record id="donation_tax_receipt_print_action" model="ir.ui.view">
+        <field name="name">donation.tax.receipt.view.form.inherit</field>
+        <field name="model">donation.tax.receipt</field>
+        <field name="inherit_id" ref="donation_base.donation_tax_receipt_form"/>
+        <field name="arch" type="xml">
+            <header position="inside">
+                <button name="action_print_tax_receipt" type="object" string="Print" class="btn-secondary"/>
+            </header>
+        </field>
+    </record>
+
+    <record id="donation_tax_receipt_invisible_print" model="ir.ui.view">
+        <field name="name">donation.tax.receipt.view.form.inherit</field>
+        <field name="model">donation.tax.receipt</field>
+        <field name="inherit_id" ref="donation_base.donation_tax_receipt_form"/>
+        <field name="arch" type="xml">
+            <xpath expr="//button[@name='%(donation_base.report_donation_tax_receipt)d']" position="attributes">
+                <attribute name="invisible">1</attribute>
+            </xpath>
+        </field>
+    </record>
+</odoo>
diff --git a/donation_certificate/wizard/__init__.py b/donation_certificate/wizard/__init__.py
new file mode 100644
index 000000000..9dae7f968
--- /dev/null
+++ b/donation_certificate/wizard/__init__.py
@@ -0,0 +1,3 @@
+from . import donation_certificate_send
+from . import tax_receipt_annual_create
+from . import tax_receipt_print
diff --git a/donation_certificate/wizard/donation_certificate_send.py b/donation_certificate/wizard/donation_certificate_send.py
new file mode 100644
index 000000000..6eaad7256
--- /dev/null
+++ b/donation_certificate/wizard/donation_certificate_send.py
@@ -0,0 +1,164 @@
+from odoo import api, fields, models, _
+from odoo.addons.mail.wizard.mail_compose_message import _reopen
+from odoo.exceptions import UserError
+from odoo.tools.misc import get_lang
+
+
+class DonationCertificateSend(models.TransientModel):
+    _name = 'donation.certificate.send'
+    _inherits = {'mail.compose.message': 'composer_id'}
+    _description = 'Donation Certificate Send'
+
+    is_email = fields.Boolean('Email', default=lambda self: self.env.company.invoice_is_email)
+    donation_without_email = fields.Text(compute='_compute_donation_without_email', string='Donation(s) that will not be sent')
+    is_print = fields.Boolean('Print', default=lambda self: self.env.company.invoice_is_print)
+    printed = fields.Boolean('Is Printed', default=False)
+    tax_receipt_ids = fields.Many2many('donation.tax.receipt', 'donation_tax_receipt_donation_certificate_send_rel', string='Donations Tax Receipt')
+    composer_id = fields.Many2one('mail.compose.message', required=True, ondelete='cascade')
+    template_id = fields.Many2one('mail.template', 'Use template', domain="[('model', '=', 'donation.tax.receipt'), ]", default=lambda self: self._get_report_template())
+
+    def _get_report_template(self):
+        template = self.env.ref('donation_certificate.email_template_donation_certificate', raise_if_not_found=False)
+        return template.id or False
+
+    @api.model
+    def default_get(self, fields):
+        res = super(DonationCertificateSend, self).default_get(fields)
+        res_ids = self._context.get('active_ids')
+
+        tax_receipts = self.env['donation.tax.receipt'].browse(res_ids)
+        if not tax_receipts:
+            raise UserError(_("You can only send invoices."))
+
+        composer = self.env['mail.compose.message'].create({
+            'composition_mode': 'comment' if len(res_ids) == 1 else 'mass_mail',
+        })
+        res.update({
+            'tax_receipt_ids': res_ids,
+            'composer_id': composer.id,
+        })
+        return res
+
+    @api.onchange('tax_receipt_ids')
+    def _compute_composition_mode(self):
+        for wizard in self:
+            wizard.composer_id.composition_mode = 'comment' if len(wizard.tax_receipt_ids) == 1 else 'mass_mail'
+
+    def get_ref_report_name(self, wizard_template_id_lang):
+        lang = list(wizard_template_id_lang.values())[0]
+        report_names = {
+            'es_ES': "donation_certificate.donation_certificate_report_py3o_ES",
+            'ca_ES': "donation_certificate.donation_certificate_report_py3o_CAT",
+            'fr_FR': "donation_certificate.donation_certificate_report_py3o_FR",
+            'en_GB': "donation_certificate.donation_certificate_report_py3o_EN"
+        }
+        report_name = report_names.get(lang, "donation_certificate.donation_certificate_report_py3o_EN")
+
+        return self.env.ref(report_name, raise_if_not_found=False).id
+
+    @api.onchange('template_id')
+    def onchange_template_id(self):
+        for wizard in self:
+            if wizard.composer_id:
+                # Hay que mirar porque el archivo se llama igual que el ID
+                # Get different report depending on the lang
+                lang_object = wizard.template_id.lang
+                render_model = wizard.template_id.render_model
+                res_ids = wizard.tax_receipt_ids.ids
+                lang = wizard.template_id._render_template(lang_object, render_model, res_ids)
+
+                wizard.template_id.report_template = self.get_ref_report_name(lang)
+                wizard.composer_id.template_id = wizard.template_id.id
+                # Get different report depending on the lang
+                wizard.composer_id.template_id.report_template = self.get_ref_report_name(lang)
+                wizard._compute_composition_mode()
+                wizard.composer_id._onchange_template_id_wrapper()
+
+    @api.onchange('is_email')
+    def onchange_is_email(self):
+        if self.is_email:
+            res_ids = self._context.get('active_ids')
+            data = {
+                'composition_mode': 'comment' if len(res_ids) == 1 else 'mass_mail',
+                'template_id': self.template_id.id
+            }
+            if not self.composer_id:
+                self.composer_id = self.env['mail.compose.message'].create(data)
+            else:
+                self.composer_id.write(data)
+                self._compute_composition_mode()
+            self.composer_id._onchange_template_id_wrapper()
+
+    @api.onchange('is_email')
+    def _compute_donation_without_email(self):
+        for wizard in self:
+            if wizard.is_email and len(wizard.tax_receipt_ids) > 1:
+                tax_receipts = self.env['donation.tax.receipt'].search([
+                    ('id', 'in', self.env.context.get('active_ids')),
+                    ('partner_id.email', '=', False)
+                ])
+                if tax_receipts:
+                    wizard.donation_without_email = "%s\n%s" % (
+                        _("The following donation(s) will not be sent by email, because the customers don't have email address."),
+                        "\n".join([i.number for i in tax_receipts]))
+                else:
+                    wizard.donation_without_email = False
+            else:
+                wizard.donation_without_email = False
+
+    def _send_email(self):
+        if self.is_email:
+            self.composer_id.with_context(no_new_invoice=True,
+                                          mail_notify_author=self.env.user.partner_id in self.composer_id.partner_ids,
+                                          mailing_document_based=True,
+                                          )._action_send_mail()
+            for tax_receipt in self.tax_receipt_ids:
+                prioritary_attachments = tax_receipt.attachment_ids.filtered(lambda x: x.mimetype.endswith('pdf'))
+                if prioritary_attachments:
+                    tax_receipt.with_context(tracking_disable=True).sudo().write({'message_main_attachment_id': prioritary_attachments[0].id})
+
+    def _print_certificate_document(self):
+        """ to override for each type of models that will use this composer."""
+        self.ensure_one()
+        action = self.tax_receipt_ids.action_print_tax_receipt()
+
+        action.update({'close_on_report_download': True})
+        return action
+
+    def send_and_print_action(self):
+        self.ensure_one()
+        # Send the mails in the correct language by splitting the ids per lang.
+        # This should ideally be fixed in mail_compose_message, so when a fix is made there this whole commit should be reverted.
+        # basically self.body (which could be manually edited) extracts self.template_id,
+        # which is then not translated for each customer.
+        if self.composition_mode == 'mass_mail' and self.template_id:
+            active_ids = self.env.context.get('active_ids', self.res_id)
+            active_records = self.env[self.model].browse(active_ids)
+            langs = set(active_records.mapped('partner_id.lang'))
+            for lang in langs:
+                active_ids_lang = active_records.filtered(lambda r: r.partner_id.lang == lang).ids
+                self_lang = self.with_context(active_ids=active_ids_lang, lang=get_lang(self.env, lang).code)
+                self_lang.onchange_template_id()
+                self_lang._send_email()
+        else:
+            active_record = self.env[self.model].browse(self.res_id)
+            lang = get_lang(self.env, active_record.partner_id.lang).code
+            self.with_context(lang=lang)._send_email()
+        if self.is_print:
+            return self._print_document()
+        return {'type': 'ir.actions.act_window_close'}
+
+    def save_as_template(self):
+        self.ensure_one()
+        self.composer_id.action_save_as_template()
+        self.template_id = self.composer_id.template_id.id
+        action = _reopen(self, self.id, self.model, context=self._context)
+        action.update({'name': _('Send Certificate')})
+        return action
+
+    def _print_document(self):
+        """ to override for each type of models that will use this composer."""
+        self.ensure_one()
+        action = self.tax_receipt_ids.action_print_tax_receipt()
+        action.update({'close_on_report_download': True})
+        return action
diff --git a/donation_certificate/wizard/tax_receipt_annual_create.py b/donation_certificate/wizard/tax_receipt_annual_create.py
new file mode 100644
index 000000000..c328811da
--- /dev/null
+++ b/donation_certificate/wizard/tax_receipt_annual_create.py
@@ -0,0 +1,18 @@
+from odoo import models
+
+
+class TaxReceiptAnnualCreate(models.TransientModel):
+    _inherit = "tax.receipt.annual.create"
+    """
+    Clase creada para cuando se me pida cambiar la vista o funcionamiento de
+    'Crear recibos anuales', de momento no hace nada.
+    """
+
+    # @api.model
+    # def _prepare_annual_tax_receipt(self, partner, partner_dict):
+    #     # wdb.set_trace()
+    #     super()._prepare_annual_tax_receipt(partner, partner_dict)
+
+    # def generate_annual_receipts(self):
+    #     # wdb.set_trace()
+    #     super().generate_annual_receipts()
diff --git a/donation_certificate/wizard/tax_receipt_annual_create_view.xml b/donation_certificate/wizard/tax_receipt_annual_create_view.xml
new file mode 100644
index 000000000..3c2e04257
--- /dev/null
+++ b/donation_certificate/wizard/tax_receipt_annual_create_view.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<odoo>
+    <!-- Editar la vista de "Crear recibos anuales" -->
+    <!-- <record id="tax_receipt_annual_create_form_inherited" model="ir.ui.view">
+        <field name="name">tax.receipt.annual.create.form.inherited</field>
+        <field name="model">tax.receipt.annual.create</field>
+        <field name="inherit_id" ref="donation_base.tax_receipt_annual_create_form"/>
+        <field name="arch" type="xml">
+            <xpath expr="//form" position="inside">
+                <group>
+                    <field name="option" widget="selection" />
+                    <field name="partner_id" />
+                </group>
+            </xpath>
+        </field>
+    </record> -->
+</odoo>
diff --git a/donation_certificate/wizard/tax_receipt_print.py b/donation_certificate/wizard/tax_receipt_print.py
new file mode 100644
index 000000000..70a2c53ea
--- /dev/null
+++ b/donation_certificate/wizard/tax_receipt_print.py
@@ -0,0 +1,46 @@
+# Copyright 2014-2021 Barroux Abbey (http://www.barroux.org)
+# Copyright 2014-2021 Akretion France (http://www.akretion.com/)
+# @author: Alexis de Lattre <alexis.delattre@akretion.com>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import _, fields, models
+from odoo.exceptions import UserError
+from odoo.tools import get_lang
+import wdb
+
+
+class DonationTaxReceiptPrint(models.TransientModel):
+    _inherit = "donation.tax.receipt.print"
+    _description = "Print Donation Tax Receipts"
+
+    lang = fields.Selection(
+        [("es_ES", "Spanish"), ("ca_ES", "Catalan"), ("fr_FR", "French"), ("en_GB", "English")],
+        # readonly=True,
+        # copy=False,
+        # default="draft",
+        # index=True,
+        # tracking=True,
+    )
+
+    def print_receipts(self):
+        self.ensure_one()
+        if not self.receipt_ids:
+            raise UserError(_("There are no tax receipts to print."))
+        today = fields.Date.context_today(self)
+        self.receipt_ids.write({"print_date": today})
+        if self.lang:
+            lang = self.lang
+        else:
+            lang = get_lang(self.env).code
+        report_action_py3o = self.get_ref_report_name(lang)
+        return self.env.ref(report_action_py3o).report_action(self.receipt_ids)
+
+    def get_ref_report_name(self, lang):
+        report_names = {
+            'es_ES': "donation_certificate.donation_certificate_report_py3o_ES",
+            'ca_ES': "donation_certificate.donation_certificate_report_py3o_CAT",
+            'fr_FR': "donation_certificate.donation_certificate_report_py3o_FR",
+            'en_GB': "donation_certificate.donation_certificate_report_py3o_EN"
+        }
+
+        return report_names.get(lang, "donation_certificate.donation_certificate_report_py3o_EN")
diff --git a/donation_certificate/wizard/tax_receipt_print_view.xml b/donation_certificate/wizard/tax_receipt_print_view.xml
new file mode 100644
index 000000000..fd19b4a56
--- /dev/null
+++ b/donation_certificate/wizard/tax_receipt_print_view.xml
@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<!--
+  Copyright 2014-2021 Barroux Abbey (http://www.barroux.org)
+  Copyright 2014-2021 Akretion France (http://www.akretion.com/)
+  @author: Alexis de Lattre <alexis.delattre@akretion.com>
+  License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+-->
+<odoo>
+    <record id="donation_tax_receipt_print_form_inherit" model="ir.ui.view">
+        <field name="name">donation_tax_receipt_print.form.inherit</field>
+        <field name="model">donation.tax.receipt.print</field>
+        <field name="inherit_id" ref="donation_base.donation_tax_receipt_print_form"/>
+        <field name="arch" type="xml">
+            <xpath expr="//group[@name='main']/field[@name='receipt_ids']" position="attributes">
+                <attribute name="invisible">1</attribute>
+            </xpath>
+            <xpath expr="//group[@name='main']" position="inside">
+                <field name="lang" widget="label_selection"/>
+            </xpath>
+            <xpath expr="//group[@name='main']" position="after">
+                <field name="receipt_ids" nolabel="1">
+                    <tree editable="bottom">
+                        <field name="number"/>
+                        <field name="date"/>
+                        <field name="partner_id"/>
+                        <field name="type"/>
+                        <field name="amount"/>
+                    </tree>
+                </field>
+            </xpath>
+        </field>
+    </record>
+
+    <!-- <record id="donation_tax_receipt_print_action" model="ir.actions.act_window">
+        <field name="name">Print Receipts</field>
+        <field name="res_model">donation.tax.receipt.print</field>
+        <field name="view_mode">form</field>
+        <field name="target">new</field>
+    </record> -->
+</odoo>
diff --git a/donation_letter/__init__.py b/donation_letter/__init__.py
new file mode 100644
index 000000000..082fa1746
--- /dev/null
+++ b/donation_letter/__init__.py
@@ -0,0 +1,4 @@
+# Copyright <YEAR(S)> <AUTHOR(S)>
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+from . import models
+from . import wizard
diff --git a/donation_letter/__manifest__.py b/donation_letter/__manifest__.py
new file mode 100644
index 000000000..07b66164f
--- /dev/null
+++ b/donation_letter/__manifest__.py
@@ -0,0 +1,20 @@
+# Copyright <YEAR(S)> <AUTHOR(S)>
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+{
+    "name": "Donation Thanks Letter",
+    "summary": "Donation Thanks Letter",
+    "version": "16.0.1.0.0",
+    "category": "Custom",
+    "website": "https://www.qubiq.es",
+    "author": "Brenda Fernández Alayo",
+    "license": "AGPL-3",
+    "installable": True,
+    "depends": ['donation', 'account', 'mail', 'donation_base'],
+    "data": [
+        "security/ir.model.access.csv",
+        "data/mail_template.xml",
+        "views/donation_letter_send_views.xml",
+        "views/donation_send_button.xml",
+    ],
+}
diff --git a/donation_letter/data/mail_template.xml b/donation_letter/data/mail_template.xml
new file mode 100644
index 000000000..8a6c9bdc4
--- /dev/null
+++ b/donation_letter/data/mail_template.xml
@@ -0,0 +1,49 @@
+<?xml version="1.0" ?>
+<odoo>
+    <data noupdate="1">
+        <record id="email_template_thanks_letter" model="mail.template">
+            <field name="name">Donation: Thanks Letter by email</field>
+            <field name="model_id" ref="donation.model_donation_donation" />
+            <field name="auto_delete" eval="True"/>
+            <field name="email_from">{{ object.company_id.email }}</field>
+            <field name="email_to">{{ object.partner_id.email }}</field>
+            <field name="subject">Thank you for your donation</field>
+            <field name="description">Letter of appreciation</field>
+            <field name="body_html" type="html">
+                <div style="margin: 0px; padding: 0px;">
+                    <p style="margin: 0px; padding: 0px; font-size: 13px;">
+                        Dear
+                        <t t-if="object.commercial_partner_id">
+                            <t t-out="object.partner_id.name or ''">Brandon Freeman</t> 
+                            (                            
+                            <t t-out="object.commercial_partner_id.name or ''">Azure Interior</t>
+                            ),
+                        </t>
+                        <t t-else="">
+                            <t t-out="object.partner_id.name or ''">Donor name</t>,
+                        </t>
+                        <br />
+                        <br />
+                        We want to express our sincere gratitude for your generous donation of
+                        <span style="font-weight:bold;" t-out="format_amount(object.amount_total, object.currency_id) or ''">$ 143,750.00</span>
+                        to our organization. This contribution is a testament to your commitment and trust in our work.
+                        <br />
+                        <br />
+                        With this collaboration you help us move forward with our mission. We sincerely appreciate your support.
+                        <br />
+                        <br />
+                        Cordially,
+                        <br />
+                        <br />
+                        <t t-out="object.company_id.name or ''">
+                                --
+                            <br/>
+                                Association name
+                        </t>
+                    </p>
+                </div>
+            </field>
+            <field name="lang">{{ object.partner_id.lang }}</field>
+        </record>
+    </data>
+</odoo>
diff --git a/donation_letter/models/__init__.py b/donation_letter/models/__init__.py
new file mode 100644
index 000000000..b1847a5ab
--- /dev/null
+++ b/donation_letter/models/__init__.py
@@ -0,0 +1 @@
+from . import donation
diff --git a/donation_letter/models/donation.py b/donation_letter/models/donation.py
new file mode 100644
index 000000000..6505c5e15
--- /dev/null
+++ b/donation_letter/models/donation.py
@@ -0,0 +1,72 @@
+from odoo import _, fields, models
+from odoo.tools import get_lang
+
+
+class Donation(models.Model):
+    _inherit = "donation.donation"
+
+    is_thanks_letter_send = fields.Boolean(
+        default=False,
+        help="This field automatically becomes active when "
+        "the thanks letter has been send.",
+    )
+    attachment_ids = fields.One2many(
+        comodel_name='ir.attachment',
+        inverse_name='res_id',
+        domain=[('res_model', '=', 'donation.donation')],
+        string='Attachments'
+    )
+
+    def action_send_thanks(self):
+        template = self.env.ref(self._get_mail_template(), raise_if_not_found=False)
+        lang = False
+
+        if len(self) == 1:
+            lang = template._render_lang(self.ids)[self.id]
+
+        if not lang:
+            lang = get_lang(self.env).code
+
+        compose_form = self.env.ref('donation_letter.donation_letter_send_wizard_form', raise_if_not_found=False)
+
+        ctx = {
+            'default_model': 'donation.donation',
+            'default_res_model': 'donation.donation',
+            'default_use_template': bool(template),
+            'default_template_id': template and template.id or False,
+            'default_composition_mode': 'comment',
+            'mark_invoice_as_sent': True,
+            'default_email_layout_xmlid': "mail.mail_notification_layout_with_responsible_signature",
+            'force_email': True,
+            'active_ids': self.ids,
+        }
+
+        report_action = {
+            'name': _('Send Thanks Letter'),
+            'type': 'ir.actions.act_window',
+            'view_type': 'form',
+            'view_mode': 'form',
+            'res_model': 'donation.letter.send',
+            'views': [(compose_form.id, 'form')],
+            'view_id': compose_form.id,
+            'target': 'new',
+            'context': ctx,
+        }
+
+        return report_action
+
+
+    def action_donation_print(self):
+        """ Print the donation and mark it as sent, so that we can see more
+            easily the next step of the workflow
+        """
+        self.filtered(lambda inv: not inv.is_thanks_letter_send).write({'is_thanks_letter_send': True})
+        return self.env.ref('donation.report_thanks').report_action(self)
+
+    def _get_mail_template(self):
+        """
+        :return: the correct mail template based on the current move type
+        """
+        return (
+            'donation_letter.email_template_thanks_letter'
+        )
diff --git a/donation_letter/security/ir.model.access.csv b/donation_letter/security/ir.model.access.csv
new file mode 100644
index 000000000..c9a16cb5e
--- /dev/null
+++ b/donation_letter/security/ir.model.access.csv
@@ -0,0 +1,3 @@
+id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
+access_donation_letter_send,donation.letter.send,donation_letter.model_donation_letter_send,base.group_user,1,1,1,1
+access_donation_donation,donation.donation,donation.model_donation_donation,base.group_user,1,1,1,1
diff --git a/donation_letter/static/description/icon.png b/donation_letter/static/description/icon.png
new file mode 100644
index 000000000..e8f0fcf0f
Binary files /dev/null and b/donation_letter/static/description/icon.png differ
diff --git a/donation_letter/views/donation_letter_send_views.xml b/donation_letter/views/donation_letter_send_views.xml
new file mode 100644
index 000000000..bb931ecc7
--- /dev/null
+++ b/donation_letter/views/donation_letter_send_views.xml
@@ -0,0 +1,67 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <record id="donation_letter_send_wizard_form" model="ir.ui.view">
+        <field name="name">donation.letter.send.form</field>
+        <field name="model">donation.letter.send</field>
+        <field name="groups_id" eval="[(4,ref('base.group_user'))]"/>
+        <field name="arch" type="xml">
+            <form string="Thanks Letter send &amp; Print">
+                <!-- truly invisible fields for control and options -->
+                <field name="composition_mode" invisible="1"/>
+                <field name="donation_ids" invisible="1"/>
+                <field name="email_from" invisible="1" />
+                <field name="mail_server_id" invisible="1"/>
+                <div name="option_print">
+                    <field name="is_print" />
+                    <b>
+                        <label for="is_print"/>
+                    </b>
+                    <div name="info_form" attrs="{'invisible': ['|', ('is_print', '=', False), ('composition_mode', '=', 'mass_mail')]}" class="text-center text-muted d-inline-block ms-2">
+                        Preview as a PDF
+                    </div>
+                </div>
+                <div name="option_email">
+                    <field name="is_email" />
+                    <b>
+                        <label for="is_email"/>
+                    </b>
+                </div>
+                <div class="text-start d-inline-block mr8" attrs="{'invisible': ['|', ('is_email','=', False), ('donation_without_email', '=', False)]}">
+                    <field name="donation_without_email" class="mr4"/>
+                </div>
+                <div name="mail_form" attrs="{'invisible': [('is_email', '=', False)]}">
+                    <div attrs="{'invisible': [('composition_mode', '=', 'mass_mail')]}">
+                        <group>
+                            <label for="partner_ids" string="Recipients" groups="base.group_user"/>
+                            <div groups="base.group_user">
+                                <span attrs="{'invisible': [('composition_mode', '!=', 'mass_mail')]}">
+                                    <strong>Email mass mailing</strong> on
+                                    <span>the selected records</span>
+                                </span>
+                                <span>Followers of the document and</span>
+                                <field name="partner_ids" widget="many2many_tags_email" placeholder="Add contacts to notify..." context="{'force_email':True, 'show_email':True}" attrs="{'invisible': [('composition_mode', '=', 'mass_mail')]}"/>
+                            </div>
+                            <field name="subject" placeholder="Subject..." attrs="{'required': [('is_email', '=', True), ('composition_mode', '=', 'comment')]}"/>
+                        </group>
+                        <field name="body" class="oe-bordered-editor" options="{'style-inline': true}"/>
+                    </div>
+                    <group>
+                        <group attrs="{'invisible': [('composition_mode', '=', 'mass_mail')]}">
+                            <field name="attachment_ids" widget="many2many_binary" string="Attach a file" nolabel="1" colspan="2" attrs="{'invisible': [('composition_mode', '=', 'mass_mail')]}"/>
+                        </group>
+                        <group>
+                            <field name="template_id" options="{'no_create': True, 'no_edit': True}" context="{'default_model': 'donation.donation'}"/>
+                        </group>
+                    </group>
+                </div>
+                <footer>
+                    <button string="Send &amp; Print" attrs="{'invisible': ['|', ('is_email', '=', False), ('is_print', '=', False)]}" data-hotkey="q" name="send_and_print_action" type="object" class="send_and_print btn-primary o_mail_send"/>
+                    <button string="Send" data-hotkey="q" attrs="{'invisible': ['|', ('is_print', '=', True), ('is_email', '=', False)]}" name="send_and_print_action" type="object" class="send btn-primary o_mail_send"/>
+                    <button string="Print" data-hotkey="q" attrs="{'invisible': ['|', ('is_print', '=', False), ('is_email', '=', True)]}" name="send_and_print_action" type="object" class="print btn-primary o_mail_send"/>
+                    <button string="Cancel" class="btn-secondary" special="cancel" data-hotkey="z" />
+                    <button icon="fa-lg fa-save" type="object" name="save_as_template" string="Save as new template" attrs="{'invisible': ['|', ('composition_mode', '=', 'mass_mail'), ('is_email', '=', False)]}" class="float-end btn-secondary" help="Save as a new template" data-hotkey="w" />
+                </footer>
+            </form>
+        </field>
+    </record>
+</odoo>
diff --git a/donation_letter/views/donation_send_button.xml b/donation_letter/views/donation_send_button.xml
new file mode 100644
index 000000000..6e84f3471
--- /dev/null
+++ b/donation_letter/views/donation_send_button.xml
@@ -0,0 +1,35 @@
+<?xml version='1.0' encoding='utf-8'?>
+<odoo>
+    <record id="donation_form_inherit_donation" model="ir.ui.view">
+        <field name="name">donation.form.view.form.inherit</field>
+        <field name="model">donation.donation</field>
+        <field name="inherit_id" ref="donation.donation_form"/>
+        <field name="arch" type="xml">
+            <xpath expr="//form/header/button[@name='validate']" position="after">
+                <field name="is_thanks_letter_send" invisible="1"/>
+                <button 
+                    name="action_send_thanks" 
+                    string="Send Thanks Letter" 
+                    type="object" 
+                    groups="base.group_user" 
+                    attrs="{'invisible': ['|', ('is_thanks_letter_send', '=', True), ('state', '!=', 'done')]}" 
+                    class="oe_highlight">
+                </button>
+            </xpath>
+            <xpath expr="//form/header/button[@name='print_thanks']" position="attributes">
+                <attribute name="invisible">1</attribute>
+            </xpath>
+        </field>
+    </record>
+
+    <record id="action_donation_letter_send_and_print" model="ir.actions.server">
+        <field name="name">Send Thanks Letter</field>
+        <field name="model_id" ref="donation.model_donation_donation"/>
+        <field name="binding_model_id" ref="donation.model_donation_donation"/>
+        <field name="state">code</field>
+        <field name="code">
+            if records:
+                action = records.action_send_thanks()
+        </field>
+    </record>
+</odoo>
diff --git a/donation_letter/wizard/__init__.py b/donation_letter/wizard/__init__.py
new file mode 100644
index 000000000..434c36ddc
--- /dev/null
+++ b/donation_letter/wizard/__init__.py
@@ -0,0 +1 @@
+from . import donation_letter_send
diff --git a/donation_letter/wizard/donation_letter_send.py b/donation_letter/wizard/donation_letter_send.py
new file mode 100644
index 000000000..844bac6d0
--- /dev/null
+++ b/donation_letter/wizard/donation_letter_send.py
@@ -0,0 +1,133 @@
+from odoo import api, fields, models, _
+from odoo.addons.mail.wizard.mail_compose_message import _reopen
+from odoo.exceptions import UserError
+from odoo.tools.misc import get_lang
+
+
+class DonationLeterSend(models.TransientModel):
+    _name = 'donation.letter.send'
+    _inherits = {'mail.compose.message': 'composer_id'}
+    _description = 'Donation Thanks Letter Send'
+
+    is_email = fields.Boolean('Email', default=lambda self: self.env.company.invoice_is_email)
+    donation_without_email = fields.Text(compute='_compute_donation_without_email', string='donation(s) that will not be sent')
+    is_print = fields.Boolean('Print', default=lambda self: self.env.company.invoice_is_print)
+    printed = fields.Boolean('Is Printed', default=False)
+    donation_ids = fields.Many2many('donation.donation', 'donation_donation_donation_letter_send_rel', string='Donations')
+    composer_id = fields.Many2one('mail.compose.message', string='Composer', required=True, ondelete='cascade')
+    template_id = fields.Many2one('mail.template', 'Use template', domain="[('model', '=', 'donation.donation')]")
+
+    @api.model
+    def default_get(self, fields):
+        res = super(DonationLeterSend, self).default_get(fields)
+        res_ids = self._context.get('active_ids')
+
+        donations = self.env['donation.donation'].browse(res_ids)
+        if not donations:
+            raise UserError(_("You can only send invoices."))
+
+        composer = self.env['mail.compose.message'].create({
+            'composition_mode': 'comment' if len(res_ids) == 1 else 'mass_mail',
+        })
+        res.update({
+            'donation_ids': res_ids,
+            'composer_id': composer.id,
+        })
+        return res
+
+    @api.onchange('donation_ids')
+    def _compute_composition_mode(self):
+        for wizard in self:
+            wizard.composer_id.composition_mode = 'comment' if len(wizard.donation_ids) == 1 else 'mass_mail'
+
+    @api.onchange('template_id')
+    def onchange_template_id(self):
+        for wizard in self:
+            if wizard.composer_id:
+                wizard.composer_id.template_id = wizard.template_id.id
+                wizard._compute_composition_mode()
+                wizard.composer_id._onchange_template_id_wrapper()
+
+    @api.onchange('is_email')
+    def onchange_is_email(self):
+        if self.is_email:
+            res_ids = self._context.get('active_ids')
+            if not self.composer_id:
+                self.composer_id = self.env['mail.compose.message'].create({
+                    'composition_mode': 'comment' if len(res_ids) == 1 else 'mass_mail',
+                    'template_id': self.template_id.id
+                })
+            else:
+                self.composer_id.composition_mode = 'comment' if len(res_ids) == 1 else 'mass_mail'
+                self.composer_id.template_id = self.template_id.id
+                self._compute_composition_mode()
+            self.composer_id._onchange_template_id_wrapper()
+
+    @api.onchange('is_email')
+    def _compute_donation_without_email(self):
+        for wizard in self:
+            if wizard.is_email and len(wizard.donation_ids) > 1:
+                donations = self.env['donation.donation'].search([
+                    ('id', 'in', self.env.context.get('active_ids')),
+                    ('partner_id.email', '=', False)
+                ])
+                if donations:
+                    wizard.donation_without_email = "%s\n%s" % (
+                        _("The following donation(s) will not be sent by email, because the customers don't have email address."),
+                        "\n".join([i.name for i in donations]))
+                else:
+                    wizard.donation_without_email = False
+            else:
+                wizard.donation_without_email = False
+
+    def _send_email(self):
+        if self.is_email:
+            # with_context : we don't want to reimport the file we just exported.
+            self.composer_id.with_context(no_new_invoice=True,
+                                          mail_notify_author=self.env.user.partner_id in self.composer_id.partner_ids,
+                                          mailing_document_based=True,
+                                          )._action_send_mail()
+            for donation in self.donation_ids:
+                prioritary_attachments = donation.attachment_ids.filtered(lambda x: x.mimetype.endswith('pdf'))
+                if prioritary_attachments:
+                    donation.with_context(tracking_disable=True).sudo().write({'message_main_attachment_id': prioritary_attachments[0].id})
+                donation.sudo().write({"is_thanks_letter_send": True})
+
+    def _print_document(self):
+        """ to override for each type of models that will use this composer."""
+        self.ensure_one()
+        action = self.donation_ids.action_donation_print()
+
+        action.update({'close_on_report_download': True})
+        return action
+
+    def send_and_print_action(self):
+        self.ensure_one()
+        # Send the mails in the correct language by splitting the ids per lang.
+        # This should ideally be fixed in mail_compose_message, so when a fix is made there this whole commit should be reverted.
+        # basically self.body (which could be manually edited) extracts self.template_id,
+        # which is then not translated for each customer.
+        if self.composition_mode == 'mass_mail' and self.template_id:
+            active_ids = self.env.context.get('active_ids', self.res_id)
+            active_records = self.env[self.model].browse(active_ids)
+            langs = set(active_records.mapped('partner_id.lang'))
+            for lang in langs:
+                active_ids_lang = active_records.filtered(lambda r: r.partner_id.lang == lang).ids
+                self_lang = self.with_context(active_ids=active_ids_lang, lang=get_lang(self.env, lang).code)
+                self_lang.onchange_template_id()
+                self_lang._send_email()
+        else:
+            active_record = self.env[self.model].browse(self.res_id)
+            lang = get_lang(self.env, active_record.partner_id.lang).code
+            self.with_context(lang=lang)._send_email()
+        if self.is_print:
+            return self._print_document()
+        return {'type': 'ir.actions.act_window_close'}
+
+    def save_as_template(self):
+        self.ensure_one()
+        self.composer_id.action_save_as_template()
+        self.template_id = self.composer_id.template_id.id
+        action = _reopen(self, self.id, self.model, context=self._context)
+        action.update({'name': _('Send Thanks Letter')})
+        return action
diff --git a/donation_summary/__init__.py b/donation_summary/__init__.py
new file mode 100644
index 000000000..082fa1746
--- /dev/null
+++ b/donation_summary/__init__.py
@@ -0,0 +1,4 @@
+# Copyright <YEAR(S)> <AUTHOR(S)>
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+from . import models
+from . import wizard
diff --git a/donation_summary/__manifest__.py b/donation_summary/__manifest__.py
new file mode 100644
index 000000000..b9d1c7738
--- /dev/null
+++ b/donation_summary/__manifest__.py
@@ -0,0 +1,21 @@
+# Copyright <YEAR(S)> <AUTHOR(S)>
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+{
+    "name": "Donation Summary",
+    "summary": "Make summary donations",
+    "version": "16.0.1.0.0",
+    "category": "Custom",
+    "website": "https://www.qubiq.es",
+    "author": "Brenda Fernández Alayo",
+    "license": "AGPL-3",
+    "depends": ['donation', 'donation_base', 'mail', 'donation_certificate'],
+    "data": [
+        "security/ir.model.access.csv",
+        'report/donation_summary.xml',
+        'report/donation_summary_templates.xml',
+        'views/donation_summary_views.xml',
+        'views/donation_summary_send_views.xml',
+        'data/mail_template.xml'
+    ],
+}
diff --git a/donation_summary/data/mail_template.xml b/donation_summary/data/mail_template.xml
new file mode 100644
index 000000000..53081b886
--- /dev/null
+++ b/donation_summary/data/mail_template.xml
@@ -0,0 +1,45 @@
+<?xml version="1.0"?>
+<odoo>
+    <data noupdate="1">
+        <record id="email_template_donation_summary" model="mail.template">
+            <field name="name">Donation: Send Summary</field>
+            <field name="model_id" ref="donation_summary.model_donation_summary" />
+            <field name="auto_delete" eval="True" />
+            <field name="email_from">{{ object.company_id.email }}</field>
+            <field name="email_to">{{ object.partner_id.email }}</field>
+            <field name="subject">Summary of Your Donations</field>
+            <field name="description">Donation Summary</field>
+            <field name="body_html" type="html">
+                <div style="margin: 0px; padding: 0px;">
+                    <p style="margin: 0px; padding: 0px; font-size: 13px;"> Dear 
+                        <t t-out="object.partner_id.name or ''">Brandon Freeman</t>, <br />
+                        <br /> We want to express our sincere gratitude for your suport and generosity towards our mission.
+                        <br /> We are pleased to inform you that attached you will find a detailed summary of all 
+                        the donations you have made from <t t-out="object.start_date or ''">01/01/2023</t>
+                        to <t t-out="object.end_date or ''">31/12/2023</t>. 
+                        <br />
+                        <br /> This summary includes the date and amount of each contribution, allowing you to have a 
+                        clear overview of your impact on our organization. 
+                        <br />
+                        <br /> The total amount of your donations during this period add up to <span
+                            style="font-weight:bold;"
+                            t-out="format_amount(object.amount_total, object.currency_id) or ''">$
+                        143,750.00</span>.
+                        <br />
+                        <br />
+                        <br /> If you would like more details or have any questions about your donation history,
+                        please fell free to contact us. <br />
+                        <br /> Cordially, <br />
+                        <br />
+                        <t
+                            t-out="object.company_id.name or ''">
+                            Association name </t>
+                    </p>
+                </div>
+            </field>
+            <field name="lang">{{ object.partner_id.lang }}</field>
+            <field name="report_template" ref="report_donation_summary"/>
+            <field name="report_name">RDS_{{ (object.name or '') }}</field>
+        </record>
+    </data>
+</odoo>
\ No newline at end of file
diff --git a/donation_summary/models/__init__.py b/donation_summary/models/__init__.py
new file mode 100644
index 000000000..c450dab14
--- /dev/null
+++ b/donation_summary/models/__init__.py
@@ -0,0 +1,2 @@
+from . import donation
+from . import donation_summary
diff --git a/donation_summary/models/donation.py b/donation_summary/models/donation.py
new file mode 100644
index 000000000..5165ed4a4
--- /dev/null
+++ b/donation_summary/models/donation.py
@@ -0,0 +1,9 @@
+from odoo import fields, models
+
+
+class Donation(models.Model):
+    _inherit = "donation.donation"
+
+    donation_summary_id = fields.Many2one(
+        string="Donation Summary",
+        comodel_name='donation.summary')
diff --git a/donation_summary/models/donation_summary.py b/donation_summary/models/donation_summary.py
new file mode 100644
index 000000000..7b33a4f9f
--- /dev/null
+++ b/donation_summary/models/donation_summary.py
@@ -0,0 +1,229 @@
+from odoo import _, fields, models, api
+from odoo.exceptions import UserError
+from odoo.tools.misc import get_lang
+import datetime
+
+
+class DonationSummary(models.Model):
+    _name = "donation.summary"
+    _inherit = ["mail.thread", "mail.activity.mixin"]
+
+    @api.model
+    def _default_end_date(self):
+        return datetime.date(fields.Date.context_today(self).year - 1, 12, 31)
+
+    @api.model
+    def _default_start_date(self):
+        return datetime.date(fields.Date.context_today(self).year - 1, 1, 1)
+
+    name = fields.Char(compute="_compute_name")
+
+    is_summary_send = fields.Boolean(
+        help="This field automatically becomes active when "
+        "the summary has been send.",
+    )
+    partner_id = fields.Many2one(
+        "res.partner",
+        string="Donor",
+        index=True,
+        states={"sent": [("readonly", True)]},
+        tracking=True,
+        ondelete="restrict",
+        domain="[('donation_ids', '!=', False)]"
+    )
+    start_date = fields.Date(
+        required=True, default=lambda self: self._default_start_date(),
+        states={"sent": [("readonly", True)]}
+    )
+    end_date = fields.Date(
+        required=True, default=lambda self: self._default_end_date(),
+        states={"sent": [("readonly", True)]}
+    )
+
+    donation_ids = fields.One2many(
+        "donation.donation",
+        "donation_summary_id",
+        string="Related Donations",
+        compute="_compute_donation_ids",
+        required=True,
+        states={"sent": [("readonly", True)]},
+    )
+
+    state = fields.Selection(
+        [("draft", "Draft"), ("sent", "Sent")],
+        readonly=True,
+        copy=False,
+        default="draft",
+        index=True,
+        tracking=True,
+    )
+    company_id = fields.Many2one(
+        "res.company",
+        string="Company",
+        ondelete="cascade",
+        default=lambda self: self.env.company,
+    )
+    amount_total = fields.Monetary(
+        tracking=True,
+        compute="_compute_amounts",
+        states={"sent": [("readonly", True)]},
+    )
+    currency_id = fields.Many2one(
+        "res.currency",
+        required=True,
+        states={"sent": [("readonly", True)]},
+        tracking=True,
+        ondelete="restrict",
+        default=lambda self: self.env.company.currency_id,
+    )
+    attachment_ids = fields.One2many(
+        'ir.attachment',
+        'res_id',
+        domain=[('res_model', '=', 'donation.summary')],
+        string='Attachments'
+    )
+
+    def _compute_name(self):
+        for rec in self:
+            rec.name = (rec.partner_id.name).replace(" ", "") + "_" + str(rec.start_date).replace("-", "") + "_" + str(rec.end_date).replace("-", "") if rec.partner_id else ""
+
+    def _prepare_donation_summary(self, existing_donation_ids):
+        vals = {
+            "partner_id": existing_donation_ids.partner_id.id,
+            "start_date": self.start_date,
+            "end_date": self.end_date,
+            "state": 'draft',
+            "is_summary_send": False
+        }
+        return vals
+
+    def massive_creation(self):
+        d_sum = self.env["donation.summary"]
+        donation_summary_ids = []
+        for partner in self.donation_ids.partner_id.ids:
+            donations = self.donation_ids.filtered(lambda donation: donation.partner_id.id == partner)
+            values = self._prepare_donation_summary(donations)
+            donation_summary_ids.append(values)
+        if not len(donation_summary_ids):
+            raise UserError(_("No annual tax receipt to generate"))
+ 
+        self.unlink()
+ 
+        for new_summary_vals in donation_summary_ids:
+            d_sum.create(new_summary_vals)
+ 
+        # Redireccionar a la vista tree
+        return {
+            'name': _('Donations Summary'),
+            'type': 'ir.actions.act_window',
+            'res_model': 'donation.summary',
+            'view_type': 'tree',
+            'view_mode': 'tree,form',
+            'target': 'main',
+            'context': self.env.context,
+        }
+
+    @api.depends('donation_ids')
+    def _compute_amounts(self):
+        for rec in self:
+            amount = 0
+            for don in rec.donation_ids:
+                amount += don.amount_total_company_currency
+            rec.amount_total = amount
+
+    @api.depends('partner_id', 'start_date', 'end_date')
+    def _compute_donation_ids(self):
+        for rec in self:
+            domain = [('state', '=', 'done'), ('donation_summary_id', '=', False)]
+            if rec.partner_id:
+                domain += [
+                    ('partner_id', '=', rec.partner_id.id)
+                ]
+            if rec.start_date and rec.end_date:
+                domain += [
+                    ('donation_date', '>=', rec.start_date),
+                    ('donation_date', '<=', rec.end_date)
+                ]
+            donations = self.env["donation.donation"].search(domain)
+            if not donations:
+                raise UserError("There must be at least one donation in the summary.")
+            rec.donation_ids = donations
+
+    def massive_send_summary(self):
+        template = self.env.ref(self._get_mail_template(), raise_if_not_found=False)
+        compose_form = self.env.ref('donation_summary.donation_summary_send_wizard_form', raise_if_not_found=False)
+        ctx = dict(
+            default_model='donation.summary',
+            # For the sake of consistency we need a default_res_model if
+            # default_res_id is set. Not renaming default_model as it can
+            # create many side-effects.
+            default_res_model='donation.summary',
+            default_use_template=bool(template),
+            default_template_id=template and template.id or False,
+            default_composition_mode='comment',
+            mark_invoice_as_sent=True,
+            default_email_layout_xmlid="mail.mail_notification_layout_with_responsible_signature",
+            force_email=True,
+            active_ids=self.ids,
+        )
+        report_action = {
+            'name': _('Send Donation Summary'),
+            'type': 'ir.actions.act_window',
+            'view_type': 'form',
+            'view_mode': 'form',
+            'res_model': 'donation.summary.send',
+            'views': [(compose_form.id, 'form')],
+            'view_id': compose_form.id,
+            'target': 'new',
+            'context': ctx,
+        }
+        return report_action
+
+    def send_summary(self):
+        template = self.env.ref(self._get_mail_template(), raise_if_not_found=False)
+        lang = False
+        if template:
+            lang = template._render_lang(self.ids)[self.id]
+        if not lang:
+            lang = get_lang(self.env).code
+        compose_form = self.env.ref('donation_summary.donation_summary_send_wizard_form', raise_if_not_found=False)
+        ctx = dict(
+            default_model='donation.summary',
+            default_res_id=self.id,
+            default_res_model='donation.summary',
+            default_use_template=bool(template),
+            default_template_id=template and template.id or False,
+            default_composition_mode='comment',
+            mark_invoice_as_sent=True,
+            default_email_layout_xmlid="mail.mail_notification_layout_with_responsible_signature",
+            force_email=True,
+            active_ids=self.ids,
+        )
+        report_action = {
+            'name': _('Send Donation Summary'),
+            'type': 'ir.actions.act_window',
+            'view_type': 'form',
+            'view_mode': 'form',
+            'res_model': 'donation.summary.send',
+            'views': [(compose_form.id, 'form')],
+            'view_id': compose_form.id,
+            'target': 'new',
+            'context': ctx,
+        }
+
+        return report_action
+
+    def _get_mail_template(self):
+        """
+        :return: the correct mail template based on the current move type
+        """
+        return (
+            'donation_summary.email_template_donation_summary'
+        )
+
+    def action_print_donation_summary(self):
+        """ Print the certificate and mark it as sent, so that we can see more
+            easily the next step of the workflow
+        """
+        self.filtered(lambda sum: not sum.is_summary_send).write({'is_summary_send': True})
+        return self.env.ref('donation_summary.report_donation_summary').report_action(self)
diff --git a/donation_summary/report/donation_summary.xml b/donation_summary/report/donation_summary.xml
new file mode 100644
index 000000000..6c54cc69d
--- /dev/null
+++ b/donation_summary/report/donation_summary.xml
@@ -0,0 +1,13 @@
+<?xml version='1.0' encoding='utf-8'?>
+<odoo>
+    <record id="report_donation_summary" model="ir.actions.report">
+        <field name="name">Request for Donation Summary</field>
+        <field name="model">donation.summary</field>
+        <field name="report_type">qweb-pdf</field>
+        <field name="report_name">donation_summary.report_donationsummary</field>
+        <field name="report_file">donation_summary.report_donationsummary</field>
+        <field name="print_report_name">'Request for Donation Summary - %s' %(object.partner_id.name)</field>
+        <field name="binding_model_id" ref="model_donation_summary" />
+        <field name="binding_type">report</field>
+    </record>
+</odoo>
\ No newline at end of file
diff --git a/donation_summary/report/donation_summary_templates.xml b/donation_summary/report/donation_summary_templates.xml
new file mode 100644
index 000000000..cbed6a9dd
--- /dev/null
+++ b/donation_summary/report/donation_summary_templates.xml
@@ -0,0 +1,81 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <template id="report_donationsummary_document">
+        <t t-call="web.external_layout">
+            <t t-set="o" t-value="o.with_context(lang=o.partner_id.lang)" />
+            <t t-set="address">
+                <div t-field="o.partner_id"
+                    t-options='{"widget": "contact", "fields": ["address", "name", "phone", "vat"], "no_marker": True, "phone_icons": True}' />
+            </t>
+            <t t-set="information_block">
+                <strong>Donor :</strong>
+                <div t-field="o.partner_id"
+                    t-options='{"widget": "contact", "fields": ["address", "name", "phone"], "no_marker": True, "phone_icons": True}'
+                    name="purchase_shipping_address" />
+                <strong>Start Date :</strong>
+                <span t-field="o.start_date" />
+                <strong>End Date :</strong>
+                <span t-field="o.end_date" />
+            </t>
+            <div class="page">
+                <div class="oe_structure" />
+
+                <h2 class="mt-4">Request for Donation Summary: <span t-field="o.name" /></h2>
+
+                <table class="table table-condensed">
+                    <thead style="display: table-row-group">
+                        <tr>
+                            <th name="th_number">
+                                <strong>Number</strong>
+                            </th>
+                            <th name="th_donation_date" class="text-center">
+                                <strong>Donations Date</strong>
+                            </th>
+                            <th name="th_amount_total" class="text-end">
+                                <strong>Amount total</strong>
+                            </th>
+                            <th name="th_tax_receipt_option" class="text-end">
+                                <strong>Tax Receipt Option</strong>
+                            </th>
+                        </tr>
+                    </thead>
+                    <tbody>
+                        <t t-foreach="o.donation_ids" t-as="donation">
+                            <tr>
+                                <!-- <tr
+                                t-att-class="'bg-200 fw-bold o_line_section' if order_line.display_type == 'line_section' else
+                                'fst-italic o_line_note' if order_line.display_type == 'line_note'
+                                else ''"> -->
+                                <td>
+                                    <span t-field="donation.number" />
+                                </td>
+                                <td class="text-center">
+                                    <span t-field="donation.donation_date" />
+                                </td>
+                                <td class="text-end">
+                                    <span t-field="donation.amount_total" />
+                                </td>
+                                <td class="text-end">
+                                    <span t-field="donation.tax_receipt_option" />
+                                </td>
+                            </tr>
+                        </t>
+                    </tbody>
+                </table>
+
+                <!-- <p t-field="o.notes" class="mt-4" /> -->
+
+                <div class="oe_structure" />
+            </div>
+        </t>
+    </template>
+
+    <template id="report_donationsummary">
+        <t t-call="web.html_container">
+            <t t-foreach="docs" t-as="o">
+                <t t-call="donation_summary.report_donationsummary_document"
+                    t-lang="o.partner_id.lang" />
+            </t>
+        </t>
+    </template>
+</odoo>
\ No newline at end of file
diff --git a/donation_summary/security/ir.model.access.csv b/donation_summary/security/ir.model.access.csv
new file mode 100644
index 000000000..e1e9d2149
--- /dev/null
+++ b/donation_summary/security/ir.model.access.csv
@@ -0,0 +1,4 @@
+id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
+access_donation_summary,donation.summary,donation_summary.model_donation_summary,base.group_user,1,1,1,1
+access_donation_donation,donation.donation,donation.model_donation_donation,base.group_user,1,1,1,1
+access_donation_summary_send,donation.summary.send,donation_summary.model_donation_summary_send,base.group_user,1,1,1,1
\ No newline at end of file
diff --git a/donation_summary/static/description/icon.png b/donation_summary/static/description/icon.png
new file mode 100644
index 000000000..e8f0fcf0f
Binary files /dev/null and b/donation_summary/static/description/icon.png differ
diff --git a/donation_summary/views/donation_summary_send_views.xml b/donation_summary/views/donation_summary_send_views.xml
new file mode 100644
index 000000000..069a90d08
--- /dev/null
+++ b/donation_summary/views/donation_summary_send_views.xml
@@ -0,0 +1,68 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <record id="donation_summary_send_wizard_form" model="ir.ui.view">
+        <field name="name">donation.summary.send.form</field>
+        <field name="model">donation.summary.send</field>
+        <field name="groups_id" eval="[(4,ref('base.group_user'))]"/>
+        <field name="arch" type="xml">
+            <form string="Donation Summary send &amp; Print??">
+                <!-- truly invisible fields for control and options -->
+                <field name="composition_mode" invisible="1"/>
+                <field name="donation_summary_ids" invisible="1"/>
+                <field name="email_from" invisible="1" />
+                <field name="mail_server_id" invisible="1"/>
+                <div name="option_print">
+                    <field name="is_print" />
+                    <b>
+                        <label for="is_print"/>
+                    </b>
+                    <div name="info_form" attrs="{'invisible': ['|', ('is_print', '=', False), ('composition_mode', '=', 'mass_mail')]}" class="text-center text-muted d-inline-block ms-2">
+                        Preview as a PDF
+                    </div>
+                </div>
+                <div name="option_email">
+                    <field name="is_email" />
+                    <b>
+                        <label for="is_email"/>
+                    </b>
+                </div>
+                <div class="text-start d-inline-block mr8" attrs="{'invisible': ['|', ('is_email','=', False), ('summary_without_email', '=', False)]}">
+                    <field name="summary_without_email" class="mr4"/>
+                </div>
+                <div name="mail_form" attrs="{'invisible': [('is_email', '=', False)]}">
+                    <div attrs="{'invisible': [('composition_mode', '=', 'mass_mail')]}">
+                        <group>
+                            <label for="partner_ids" string="Recipients" groups="base.group_user"/>
+                            <div groups="base.group_user">
+                                <span attrs="{'invisible': [('composition_mode', '!=', 'mass_mail')]}">
+                                    <strong>Email mass mailing</strong> on
+                                    <span>the selected records</span>
+                                </span>
+                                <span>Followers of the document and</span>
+                                <field name="partner_ids" widget="many2many_tags_email" placeholder="Add contacts to notify..." context="{'force_email':True, 'show_email':True}" attrs="{'invisible': [('composition_mode', '=', 'mass_mail')]}"/>
+                            </div>
+                            <field name="subject" placeholder="Subject..." attrs="{'required': [('is_email', '=', True), ('composition_mode', '=', 'comment')]}"/>
+                        </group>
+                        <field name="body" class="oe-bordered-editor" options="{'style-inline': true}"/>
+                    </div>
+                    <group>
+                        <group attrs="{'invisible': [('composition_mode', '=', 'mass_mail')]}">
+                            <field name="attachment_ids" widget="many2many_binary" string="Attach a file" nolabel="1" colspan="2" attrs="{'invisible': [('composition_mode', '=', 'mass_mail')]}"/>
+                        </group>
+                        <group>
+                            <field name="template_id" options="{'no_create': True, 'no_edit': True}"/>
+                            <!-- <field name="template_id" options="{'no_create': True, 'no_edit': True}" context="{'default_model': 'donation.summary'}"/> -->
+                        </group>
+                    </group>
+                </div>
+                <footer>
+                    <button string="Send &amp; Print" attrs="{'invisible': ['|', ('is_email', '=', False), ('is_print', '=', False)]}" data-hotkey="q" name="send_and_print_action" type="object" class="send_and_print btn-primary o_mail_send"/>
+                    <button string="Send" data-hotkey="q" attrs="{'invisible': ['|', ('is_print', '=', True), ('is_email', '=', False)]}" name="send_and_print_action" type="object" class="send btn-primary o_mail_send"/>
+                    <button string="Print" data-hotkey="q" attrs="{'invisible': ['|', ('is_print', '=', False), ('is_email', '=', True)]}" name="send_and_print_action" type="object" class="print btn-primary o_mail_send"/>
+                    <button string="Cancel" class="btn-secondary" special="cancel" data-hotkey="z" />
+                    <button icon="fa-lg fa-save" type="object" name="save_as_template" string="Save as new template" attrs="{'invisible': ['|', ('composition_mode', '=', 'mass_mail'), ('is_email', '=', False)]}" class="float-end btn-secondary" help="Save as a new template" data-hotkey="w" />
+                </footer>
+            </form>
+        </field>
+    </record>
+</odoo>
diff --git a/donation_summary/views/donation_summary_views.xml b/donation_summary/views/donation_summary_views.xml
new file mode 100644
index 000000000..8802fd519
--- /dev/null
+++ b/donation_summary/views/donation_summary_views.xml
@@ -0,0 +1,114 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <record id="donation_summary_action" model="ir.actions.act_window">
+        <field name="name">Donations Summary</field>
+        <field name="res_model">donation.summary</field>
+        <field name="view_mode">tree,form</field>
+        <field name="help" type="html">
+            <p class="o_view_nocontent_smiling_face">
+                Create a new custom field in your donation summary record
+            </p>
+            <p>
+                Odoo helps you easily track all custom fields related to a donation summary.
+            </p>
+        </field>
+    </record>
+
+    <record id="donation_summary_view_tree" model="ir.ui.view">
+        <field name="name">donation.summary.view.tree</field>
+        <field name="model">donation.summary</field>
+        <field name="arch" type="xml">
+            <tree>
+                <field name="partner_id" />
+                <field name="start_date" />
+                <field name="end_date" />
+                <field name="is_summary_send" />
+                <field name="state"
+                    invisible="context.get('recurring_view')"
+                    widget="badge"
+                    decoration-info="state == 'draft'"
+                    decoration-success="state == 'sent'" />
+            </tree>
+        </field>
+    </record>
+
+    <menuitem id="donation_summary_menu" action="donation_summary_action"
+        parent="donation.donation_title_menu" sequence="20" />
+
+    <record id="donation_summary_view_form" model="ir.ui.view">
+        <field name="name">donation.summary.view.form</field>
+        <field name="model">donation.summary</field>
+        <field name="arch" type="xml">
+            <form string="Donation Summary">
+                <header>
+                    <button
+                        type="object"
+                        name="send_summary"
+                        string="Send Summary"
+                        class="oe_highlight"
+                        attrs="{'invisible': ['|', ('partner_id', '=', False), ('state', '=', 'sent')]}"
+                    />
+                    <button
+                        type="object"
+                        name="massive_creation"
+                        string="Massive Summary Creation"
+                        class="oe_highlight"
+                        attrs="{'invisible': ['|', ('partner_id', '!=', False), ('state', '=', 'sent')]}"
+                    />
+                    <field
+                        name="state"
+                        widget="statusbar"
+                        invisible="context.get('recurring_view')"
+                        statusbar_visible="draft,sent"
+                    />
+                </header>
+                <sheet>
+                    <group>
+                        <field name="partner_id" />
+                        <field name="start_date" />
+                        <field name="end_date" />
+                        <field name="amount_total" />
+                    </group>
+                    <field
+                        name="donation_ids"
+                        nolabel="1">
+                    </field>
+                </sheet>
+                <div class="oe_chatter">
+                    <field name="message_follower_ids" widget="mail_followers" />
+                    <field name="activity_ids" widget="mail_activity" />
+                    <field name="message_ids" widget="mail_thread" />
+                </div>
+            </form>
+        </field>
+    </record>
+
+    <record id="donation_summary_inherited_tree_view" model="ir.ui.view">
+        <field name="name">donation.summary.view.tree.inherit</field>
+        <field name="model">donation.summary</field>
+        <field name="inherit_id" ref="donation_summary_view_tree" />
+        <field name="arch" type="xml">
+            <xpath expr="//tree" position="inside">
+                <header>
+                    <button name="massive_send_summary"
+                        type="object" string="Massive Send" class="btn-primary" />
+                </header>
+            </xpath>
+        </field>
+    </record>
+    <record id="donation_summary_view_search" model="ir.ui.view">
+        <field name="name">donation.summary.view..search</field>
+        <field name="model">donation.summary</field>
+        <field name="arch" type="xml">
+            <search string="Search Summary">
+                <field name="partner_id" />
+                <separator />
+                <filter
+                    string="Not sent"
+                    name="inactive"
+                    domain="[('state', '=', 'draft')]"
+                />
+            </search>
+        </field>
+    </record>
+</odoo>
\ No newline at end of file
diff --git a/donation_summary/wizard/__init__.py b/donation_summary/wizard/__init__.py
new file mode 100644
index 000000000..e3da7d70a
--- /dev/null
+++ b/donation_summary/wizard/__init__.py
@@ -0,0 +1 @@
+from . import donation_summary_send
diff --git a/donation_summary/wizard/donation_summary_send.py b/donation_summary/wizard/donation_summary_send.py
new file mode 100644
index 000000000..71949f648
--- /dev/null
+++ b/donation_summary/wizard/donation_summary_send.py
@@ -0,0 +1,211 @@
+from odoo import api, fields, models, _
+from odoo.addons.mail.wizard.mail_compose_message import _reopen
+from odoo.exceptions import UserError
+from odoo.tools.misc import get_lang
+
+
+class DonationSummarySend(models.TransientModel):
+    _name = "donation.summary.send"
+    _inherits = {"mail.compose.message": "composer_id"}
+    _description = "Donation Summary Send"
+
+    is_email = fields.Boolean(
+        "Email", default=lambda self: self.env.company.invoice_is_email
+    )
+    summary_without_email = fields.Text(
+        compute="_compute_donation_without_email",
+        string="Summary(s) that will not be sent",
+    )
+    is_print = fields.Boolean(
+        "Print", default=lambda self: self.env.company.invoice_is_print
+    )
+    printed = fields.Boolean("Is Printed", default=False)
+    donation_summary_ids = fields.Many2many(
+        "donation.summary",
+        "donation_summary_donation_summary_send_rel",
+        string="Donations Summary",
+    )
+    composer_id = fields.Many2one(
+        "mail.compose.message", required=True, ondelete="cascade"
+    )
+    template_id = fields.Many2one(
+        "mail.template",
+        "Use template",
+        default=lambda self: self._get_report_template(),
+    )
+    # template_id = fields.Many2one('mail.template', 'Use template', domain="[('model', '=', 'donation.summary'), ]", default=lambda self: self._get_report_template())
+
+    def _get_report_template(self):
+        template = self.env.ref(
+            "donation_summary.email_template_donation_summary", raise_if_not_found=False
+        )
+        return template.id or False
+
+    @api.model
+    def default_get(self, fields):
+        res = super(DonationSummarySend, self).default_get(fields)
+        res_ids = self._context.get("active_ids")
+
+        donation_summary = self.env["donation.summary"].browse(res_ids)
+        if not donation_summary:
+            raise UserError(_("You can only send invoices."))
+
+        composer = self.env["mail.compose.message"].create(
+            {
+                "composition_mode": "comment" if len(res_ids) == 1 else "mass_mail",
+            }
+        )
+        res.update(
+            {
+                "donation_summary_ids": res_ids,
+                "composer_id": composer.id,
+            }
+        )
+        return res
+
+    @api.onchange("donation_summary_ids")
+    def _compute_composition_mode(self):
+        for wizard in self:
+            wizard.composer_id.composition_mode = (
+                "comment" if len(wizard.donation_summary_ids) == 1 else "mass_mail"
+            )
+
+    def get_ref_report_name(self, wizard_template_id_lang):
+        lang = (
+            list(wizard_template_id_lang.values())[0]
+            if wizard_template_id_lang
+            else "XX"
+        )
+        report_names = {
+            "es_ES": "donation_certificate.donation_certificate_report_py3o_ES",
+            "ca_ES": "donation_certificate.donation_certificate_report_py3o_CAT",
+            "fr_FR": "donation_certificate.donation_certificate_report_py3o_FR",
+            "en_GB": "donation_certificate.donation_certificate_report_py3o_EN",
+        }
+        report_name = report_names.get(
+            lang, "donation_certificate.donation_certificate_report_py3o_EN"
+        )
+
+        return self.env.ref(report_name, raise_if_not_found=False).id
+
+    @api.onchange("template_id")
+    def onchange_template_id(self):
+        for wizard in self:
+            if wizard.composer_id:
+                # Hay que mirar porque el archivo se llama igual que el ID
+                # Get different report depending on the lang
+                # lang_object = wizard.template_id.lang
+                # render_model = wizard.template_id.render_model
+                # res_ids = wizard.donation_summary_ids.ids
+                # lang = wizard.template_id._render_template(lang_object, render_model, res_ids)
+                # wizard.template_id.report_template = self.get_ref_report_name(lang)
+                wizard.composer_id.template_id = wizard.template_id.id
+                # Get different report depending on the lang
+                # wizard.composer_id.template_id.report_template = self.get_ref_report_name(lang)
+                wizard._compute_composition_mode()
+                wizard.composer_id._onchange_template_id_wrapper()
+
+    @api.onchange("is_email")
+    def onchange_is_email(self):
+        if self.is_email:
+            res_ids = self._context.get("active_ids")
+            data = {
+                "composition_mode": "comment" if len(res_ids) == 1 else "mass_mail",
+                "template_id": self.template_id.id,
+            }
+            if not self.composer_id:
+                self.composer_id = self.env["mail.compose.message"].create(data)
+            else:
+                self.composer_id.write(data)
+                self._compute_composition_mode()
+            self.composer_id._onchange_template_id_wrapper()
+
+    @api.onchange("is_email")
+    def _compute_donation_without_email(self):
+        for wizard in self:
+            if wizard.is_email and len(wizard.donation_summary_ids) > 1:
+                don_summary = self.env["donation.summary"].search(
+                    [
+                        ("id", "in", self.env.context.get("active_ids")),
+                        ("partner_id.email", "=", False),
+                    ]
+                )
+                if don_summary:
+                    wizard.summary_without_email = "%s\n%s" % (
+                        _(
+                            "The following donation(s) will not be sent by email, because the customers don't have email address."
+                        ),
+                        "\n".join([i.name for i in don_summary]),
+                    )
+                else:
+                    wizard.summary_without_email = False
+            else:
+                wizard.summary_without_email = False
+
+    def _send_email(self):
+        if self.is_email:
+            self.composer_id.with_context(
+                no_new_invoice=True,
+                mail_notify_author=self.env.user.partner_id
+                in self.composer_id.partner_ids,
+                mailing_document_based=True,
+            )._action_send_mail()
+            for don_summary in self.donation_summary_ids:
+                prioritary_attachments = don_summary.attachment_ids.filtered(
+                    lambda x: x.mimetype.endswith("pdf")
+                )
+                if prioritary_attachments:
+                    don_summary.with_context(tracking_disable=True).sudo().write(
+                        {"message_main_attachment_id": prioritary_attachments[0].id}
+                    )
+
+    # def _print_certificate_document(self):
+    #     """ to override for each type of models that will use this composer."""
+    #     self.ensure_one()
+    #     action = self.donation_summary_ids.action_print_tax_receipt()
+
+    #     action.update({'close_on_report_download': True})
+    #     return action
+
+    def send_and_print_action(self):
+        self.ensure_one()
+        # Send the mails in the correct language by splitting the ids per lang.
+        # This should ideally be fixed in mail_compose_message, so when a fix is made there this whole commit should be reverted.
+        # basically self.body (which could be manually edited) extracts self.template_id,
+        # which is then not translated for each customer.
+        if self.composition_mode == "mass_mail" and self.template_id:
+            active_ids = self.env.context.get("active_ids", self.res_id)
+            active_records = self.env[self.model].browse(active_ids)
+            langs = set(active_records.mapped("partner_id.lang"))
+            for lang in langs:
+                active_ids_lang = active_records.filtered(
+                    lambda r: r.partner_id.lang == lang
+                ).ids
+                self_lang = self.with_context(
+                    active_ids=active_ids_lang, lang=get_lang(self.env, lang).code
+                )
+                self_lang.onchange_template_id()
+                self_lang._send_email()
+        else:
+            active_record = self.env[self.model].browse(self.res_id)
+            lang = get_lang(self.env, active_record.partner_id.lang).code
+            self.with_context(lang=lang)._send_email()
+        if self.is_print:
+            return self._print_document()
+        self.donation_summary_ids.write({"state": "sent"})
+        return {"type": "ir.actions.act_window_close"}
+
+    def save_as_template(self):
+        self.ensure_one()
+        self.composer_id.action_save_as_template()
+        self.template_id = self.composer_id.template_id.id
+        action = _reopen(self, self.id, self.model, context=self._context)
+        action.update({"name": _("Send Summary")})
+        return action
+
+    def _print_document(self):
+        """to override for each type of models that will use this composer."""
+        self.ensure_one()
+        action = self.donation_summary_ids.action_print_donation_summary()
+        action.update({"close_on_report_download": True})
+        return action