from odoo import api, models, fields class ProductTemplate(models.Model): _inherit = "product.template" l10n_tr_default_sales_return_account_id = fields.Many2one( comodel_name="account.account", company_dependent=True, ) @api.model_create_multi def create(self, vals_list): products = super().create(vals_list) for product in products: if product.company_id.country_code == 'TR': ChartTemplate = self.env['account.chart.template'].with_company(product.company_id) return_account = ChartTemplate.ref('tr610', raise_if_not_found=False) product.l10n_tr_default_sales_return_account_id = return_account return products