diff --git a/l10n_do_ncf_validation/__manifest__.py b/l10n_do_ncf_validation/__manifest__.py
index 9f02f8a..6e7866e 100644
--- a/l10n_do_ncf_validation/__manifest__.py
+++ b/l10n_do_ncf_validation/__manifest__.py
@@ -11,5 +11,5 @@
         "data/ir_config_parameter_data.xml",
         "views/res_config_settings_views.xml",
     ],
-    "installable": False,
+    "installable": True,
 }
diff --git a/l10n_do_ncf_validation/i18n/es_DO.po b/l10n_do_ncf_validation/i18n/es_DO.po
index a1dd2b9..f2b0f6c 100644
--- a/l10n_do_ncf_validation/i18n/es_DO.po
+++ b/l10n_do_ncf_validation/i18n/es_DO.po
@@ -4,18 +4,18 @@
 #
 msgid ""
 msgstr ""
-"Project-Id-Version: Odoo Server 15.0+e\n"
+"Project-Id-Version: Odoo Server 16.0+e\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2021-03-18 17:26+0000\n"
-"PO-Revision-Date: 2021-03-18 13:29-0400\n"
+"POT-Creation-Date: 2024-03-27 13:55+0000\n"
+"PO-Revision-Date: 2024-03-27 09:56-0400\n"
 "Last-Translator: \n"
 "Language-Team: \n"
+"Language: es\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Plural-Forms: \n"
-"Language: es\n"
-"X-Generator: Poedit 2.4.2\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+"X-Generator: Poedit 3.4.2\n"
 
 #. module: l10n_do_ncf_validation
 #: model:ir.model.fields,help:l10n_do_ncf_validation.field_res_company__ncf_validation_target
@@ -30,12 +30,14 @@ msgstr ""
 "-Ambos: valida ambos casos."
 
 #. module: l10n_do_ncf_validation
+#. odoo-python
 #: code:addons/l10n_do_ncf_validation/models/account_move.py:0
 #, python-format
 msgid "A valid RNC/Cédula is required to request a NCF validation."
 msgstr "Se requiere un RNC/Cédula válido para solicitar una validación NCF."
 
 #. module: l10n_do_ncf_validation
+#. odoo-python
 #: code:addons/l10n_do_ncf_validation/models/account_move.py:0
 #, python-format
 msgid "Cannot validate Fiscal Invoice because %s is not a valid NCF"
@@ -52,6 +54,7 @@ msgid "Config Settings"
 msgstr "Opciones de configuración"
 
 #. module: l10n_do_ncf_validation
+#. odoo-python
 #: code:addons/l10n_do_ncf_validation/models/account_move.py:0
 #, python-format
 msgid ""
@@ -62,13 +65,7 @@ msgstr ""
 "Vuelve a intentarlo más tarde."
 
 #. module: l10n_do_ncf_validation
-#: model:ir.model.fields,field_description:l10n_do_ncf_validation.field_account_move__display_name
-#: model:ir.model.fields,field_description:l10n_do_ncf_validation.field_res_company__display_name
-#: model:ir.model.fields,field_description:l10n_do_ncf_validation.field_res_config_settings__display_name
-msgid "Display Name"
-msgstr "Nombre mostrado"
-
-#. module: l10n_do_ncf_validation
+#. odoo-python
 #: code:addons/l10n_do_ncf_validation/models/account_move.py:0
 #, python-format
 msgid "ECF Security Code must be a 6 character length alphanumeric"
@@ -81,13 +78,6 @@ msgstr ""
 msgid "External"
 msgstr "Externo"
 
-#. module: l10n_do_ncf_validation
-#: model:ir.model.fields,field_description:l10n_do_ncf_validation.field_account_move__id
-#: model:ir.model.fields,field_description:l10n_do_ncf_validation.field_res_company__id
-#: model:ir.model.fields,field_description:l10n_do_ncf_validation.field_res_config_settings__id
-msgid "ID"
-msgstr "ID (identificación)"
-
 #. module: l10n_do_ncf_validation
 #: model:ir.model.fields.selection,name:l10n_do_ncf_validation.selection__res_company__ncf_validation_target__internal
 msgid "Internal"
@@ -113,13 +103,7 @@ msgstr ""
 "impresas ECF emitidas estén estandarizadas"
 
 #. module: l10n_do_ncf_validation
-#: model:ir.model.fields,field_description:l10n_do_ncf_validation.field_account_move____last_update
-#: model:ir.model.fields,field_description:l10n_do_ncf_validation.field_res_company____last_update
-#: model:ir.model.fields,field_description:l10n_do_ncf_validation.field_res_config_settings____last_update
-msgid "Last Modified on"
-msgstr "Última modificación en"
-
-#. module: l10n_do_ncf_validation
+#. odoo-python
 #: code:addons/l10n_do_ncf_validation/models/account_move.py:0
 #, python-format
 msgid "NCF %s has a invalid format. Please fix it and try again."
@@ -139,6 +123,7 @@ msgid "None"
 msgstr "Ninguno"
 
 #. module: l10n_do_ncf_validation
+#. odoo-python
 #: code:addons/l10n_do_ncf_validation/models/account_move.py:0
 #, python-format
 msgid "Odoo couldn't authenticate with external service."
diff --git a/l10n_do_ncf_validation/models/account_move.py b/l10n_do_ncf_validation/models/account_move.py
index 1f091d2..7d0b06c 100644
--- a/l10n_do_ncf_validation/models/account_move.py
+++ b/l10n_do_ncf_validation/models/account_move.py
@@ -29,7 +29,7 @@ def check_rnc_format(vat):
         check_rnc_format(rnc)
 
         ncf = self.l10n_do_fiscal_number
-        if not ncf or len(ncf) not in (11, 13) or ncf[0] not in ("B", "E"):
+        if (not ncf) or(len(ncf) not in (11, 13)) or (ncf[0] not in ("B", "E")):
             raise ValidationError(
                 _("NCF %s has a invalid format. Please fix it and try again." % ncf)
             )