from odoo import fields, models class AccountMove(models.Model): _inherit = 'account.move' l10n_pl_vat_b_spv = fields.Boolean( string='B_SPV', help="Transfer of a single-purpose voucher effected by a taxable person acting on his/its own behalf", ) l10n_pl_vat_b_spv_dostawa = fields.Boolean( string='B_SPV_Dostawa', help="Supply of goods and/or services covered by a single-purpose voucher to a taxpayer", ) l10n_pl_vat_b_mpv_prowizja = fields.Boolean( string='B_MPV_Prowizja', help="Supply of agency and other services pertaining to the transfer of a single-purpose voucher", )