diff --git a/fiscal_company_account/models/account_move_line.py b/fiscal_company_account/models/account_move_line.py
index b9154ae..3c910d1 100644
--- a/fiscal_company_account/models/account_move_line.py
+++ b/fiscal_company_account/models/account_move_line.py
@@ -18,3 +18,5 @@ class AccountMoveLine(models.Model):
     account_id = fields.Many2one(check_company=False)
 
     tax_ids = fields.Many2many(check_company=False)
+
+    tax_repartition_line_id = fields.Many2one(check_company=False)
diff --git a/fiscal_company_sale/models/__init__.py b/fiscal_company_sale/models/__init__.py
index 6aacb75..2d7ee6c 100644
--- a/fiscal_company_sale/models/__init__.py
+++ b/fiscal_company_sale/models/__init__.py
@@ -1 +1,2 @@
 from . import sale_order
+from . import sale_order_line
diff --git a/fiscal_company_sale/models/sale_order_line.py b/fiscal_company_sale/models/sale_order_line.py
new file mode 100644
index 0000000..5be264c
--- /dev/null
+++ b/fiscal_company_sale/models/sale_order_line.py
@@ -0,0 +1,11 @@
+# Copyright (C) 2025-Today: GRAP (http://www.grap.coop)
+# @author: Sylvain LE GAL (https://twitter.com/legalsylvain)
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+from odoo import fields, models
+
+
+class SaleOrderLine(models.Model):
+    _inherit = "sale.order.line"
+
+    tax_id = fields.Many2many(check_company=False)