account_invoice.xml

<odoo>

<record id="view_invoice_customer_return_form" model="ir.ui.view">
        <field name="name">account.invoice.customer.return</field>
        <field name="model">account.invoice</field>
        <field name="inherit_id" ref="account.invoice_form"/>
        <field name="arch" type="xml">
        <xpath expr="//field[@name='payment_term_id']" position="after">
           	<field name="picking_id" class="oe_edit_only" options="{'no_create': True}"/>
        </xpath>
        <xpath expr="//field[@name='price_unit']" position="after">
        	<field name = "stock_move_id" invisible="1"/>
        	<field name = "cost_price" invisible="1"/>
        </xpath>
        </field>
    </record>
    

	<record id="view_invoice_supplier_return_form" model="ir.ui.view">
        <field name="name">account.invoice.supplier.return</field>
        <field name="model">account.invoice</field>
        <field name="inherit_id" ref="account.invoice_supplier_form"/>
        <field name="arch" type="xml">
        <xpath expr="//field[@name='reference']" position="after">
           	<field name="picking_id" class="oe_edit_only" options="{'no_create': True}"/>
        </xpath>
        <xpath expr="//field[@name='price_unit']" position="after">
        	<field name = "stock_move_id" invisible="1"/>
        	<field name = "cost_price" invisible="1"/>
        </xpath>
        </field>
    </record>
    
</odoo>