from odoo import fields, models class AccountMove(models.Model): _inherit = 'account.move' l10n_cz_scheme_code = fields.Selection( selection=[ ('0', "0 - Standard VAT regime"), ('1', "1 - Section 89 of VAT Act special scheme for a travel service"), ('2', "2 - Section 90 of VAT Act margin scheme"), ], string="Special scheme code", help="Code indicating special scheme, optionally used for VAT control report.", default='0', )