# Part of Odoo. See LICENSE file for full copyright and licensing details. from odoo import models, fields class ResConfigSettings(models.TransientModel): _inherit = 'res.config.settings' l10n_mx_account_income_return_discount_id = fields.Many2one( comodel_name="account.account", string='Income Returns and Discounts Account', readonly=False, related='company_id.l10n_mx_income_return_discount_account_id', domain="[('account_type', '=', 'income')]", )