from odoo import models class PosSession(models.Model): _inherit = 'pos.session' def _pos_data_process(self, loaded_data): res = super()._pos_data_process(loaded_data) if self.company_id.country_code == 'BE': intracom_fpos = self.env.ref(f"l10n_be.{self.env.company.id}_fiscal_position_template_3", False) if intracom_fpos: loaded_data['intracom_tax_ids'] = intracom_fpos.tax_ids.tax_dest_id.ids return res