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diff --git a/addons/l10n_be/models/account_invoice.py b/addons/l10n_be/models/account_invoice.py
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+++ b/addons/l10n_be/models/account_invoice.py
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+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+# Copyright (c) 2011 Noviat nv/sa (www.noviat.be). All rights reserved.
+
+import random
+import re
+
+from odoo import api, fields, models, _
+from odoo.exceptions import UserError
+
+"""
+account.move object: add support for Belgian structured communication
+"""
+
+
+class AccountMove(models.Model):
+    _inherit = 'account.move'
+
+    def _get_invoice_reference_be_partner(self):
+        """ This computes the reference based on the belgian national standard
+            “OGM-VCS”.
+            For instance, if an invoice is issued for the partner with internal
+            reference 'food buyer 654', the digits will be extracted and used as
+            the data. This will lead to a check number equal to 72 and the
+            reference will be '+++000/0000/65472+++'.
+            If no reference is set for the partner, its id in the database will
+            be used.
+        """
+        self.ensure_one()
+        bbacomm = (re.sub('\D', '', self.partner_id.ref or '') or str(self.partner_id.id))[-10:].rjust(10, '0')
+        base = int(bbacomm)
+        mod = base % 97 or 97
+        reference = '+++%s/%s/%s%02d+++' % (bbacomm[:3], bbacomm[3:7], bbacomm[7:], mod)
+        return reference
+
+    def _get_invoice_reference_be_invoice(self):
+        """ This computes the reference based on the belgian national standard
+            “OGM-VCS”.
+            The data of the reference is the database id number of the invoice.
+            For instance, if an invoice is issued with id 654, the check number
+            is 72 so the reference will be '+++000/0000/65472+++'.
+        """
+        self.ensure_one()
+        base = self.id
+        bbacomm = str(base).rjust(10, '0')
+        base = int(bbacomm)
+        mod = base % 97 or 97
+        reference = '+++%s/%s/%s%02d+++' % (bbacomm[:3], bbacomm[3:7], bbacomm[7:], mod)
+        return reference