19.0 vanilla

odoo-bringout-oca-ocb-l10n_ke/l10n_ke/models/account_tax.py

@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+from odoo import models, fields, api
+
+
+class AccountTax(models.Model):
+    _inherit = 'account.tax'
+
+    l10n_ke_item_code_id = fields.Many2one(
+        'l10n_ke.item.code',
+        string='KRA Item Code',
+        help='KRA code that describes a tax rate or exemption on specific products or services.',
+    )
+
+    @api.onchange('amount')
+    def _onchange_l10n_ke_item_code_id(self):
+        """ When the amount of the tax changes this field is reset """
+        for tax in self:
+            if tax._origin.amount != tax.amount:
+                tax.l10n_ke_item_code_id = None