from odoo import fields, models class AccountTax(models.Model): _inherit = 'account.tax' l10n_ee_kmd_inf_code = fields.Selection( selection=[ ('1', 'Sale KMS §41/42'), ('2', 'Sale KMS §41^1'), ('11', 'Purchase KMS §29(4)/30/32'), ('12', 'Purchase KMS §41^1'), ], string='KMD INF Code', default=False, help='This field is used for the comments/special code column in the KMD INF report.' )