Merge PR #1097 into 16.0

Signed-off-by alexis-via

Author: OCA-git-bot

account_einvoice_generate/models/account_move.py

@@ -35,3 +35,15 @@ def _xml_format_in_pdf_invoice(self):
             return xml_format
         else:
             return False
+
+    def _get_unece_due_date_type_code(self):
+        """account.tax has a selection field 'tax_exigibility' with 2 possible values:
+        'on_invoice' or 'on_payment'.
+        As a consequence, tax exigibility is a property of the invoice line.
+        But, in real life (at least in France), tax exigibility is a property of the invoice,
+        not the invoice line!
+        This method is a hook to get the UNECE due date type code from the invoice instead
+        of the tax. If it returns None, Odoo will get it from the tax.
+        """
+        self.ensure_one()
+        return None

account_invoice_facturx/models/account_move.py

@@ -458,11 +458,14 @@ def _cii_total_applicable_trade_tax_block(
         base.text = "%0.*f" % (ns["cur_prec"], base_amount * ns["sign"])
         tax_categ_code = etree.SubElement(trade_tax, ns["ram"] + "CategoryCode")
         tax_categ_code.text = tax["unece_categ_code"]
-        if tax.get("unece_due_date_code"):
+        due_date_type_code = self._get_unece_due_date_type_code() or tax.get(
+            "unece_due_date_code"
+        )
+        if due_date_type_code:
             trade_tax_due_date = etree.SubElement(
                 trade_tax, ns["ram"] + "DueDateTypeCode"
             )
-            trade_tax_due_date.text = tax["unece_due_date_code"]
+            trade_tax_due_date.text = due_date_type_code
             # Field tax_exigibility is not required, so no error if missing
         if tax.get("amount_type") == "percent":
             percent = etree.SubElement(trade_tax, ns["ram"] + "RateApplicablePercent")