[FIX] account uniq tax

addons/account/models/account.py

@@ -499,6 +499,10 @@ class AccountTax(models.Model):
     tag_ids = fields.Many2many('account.account.tag', 'account_tax_account_tag', string='Tags', help="Optional tags you may want to assign for custom reporting")
     tax_group_id = fields.Many2one('account.tax.group', string="Tax Group", default=_default_tax_group, required=True)
 
+    _sql_constraints = [
+        ('name_company_uniq', 'unique(name, company_id, type_tax_use)', 'Tax names must be unique !'),
+    ]
+
     @api.one
     @api.constrains('children_tax_ids', 'type_tax_use')
     def _check_children_scope(self):

addons/account/models/chart_template.py

@@ -404,7 +404,7 @@ class AccountTaxTemplate(models.Model):
     tag_ids = fields.Many2many('account.account.tag', string='Account tag', help="Optional tags you may want to assign for custom reporting")
 
     _sql_constraints = [
-        ('name_company_uniq', 'unique(name, company_id)', 'Tax names must be unique !'),
+        ('name_company_uniq', 'unique(name, company_id, type_tax_use)', 'Tax names must be unique !'),
     ]
 
     @api.multi