# -*- coding: utf-8 -*- # Part of Odoo. See LICENSE file for full copyright and licensing details. from odoo import models class ResPartner(models.Model): _inherit = 'res.partner' def can_edit_vat(self): ''' `vat` is a commercial field, synced between the parent (commercial entity) and the children. Only the commercial entity should be able to edit it (as in backend). ''' return not self.parent_id