diff --git a/addons/l10n_sa_invoice/models/account_move.py b/addons/l10n_sa_invoice/models/account_move.py
index ebf0acab229..1e03454853e 100644
--- a/addons/l10n_sa_invoice/models/account_move.py
+++ b/addons/l10n_sa_invoice/models/account_move.py
@@ -9,7 +9,9 @@ from odoo.exceptions import UserError
 class AccountMove(models.Model):
     _inherit = 'account.move'
 
-    l10n_sa_delivery_date = fields.Date(string='Delivery Date', default=fields.Date.context_today, copy=False)
+    l10n_sa_delivery_date = fields.Date(string='Delivery Date', default=fields.Date.context_today, copy=False,
+                                        readonly=True, states={'draft': [('readonly', False)]},
+                                        help="In case of multiple deliveries, you should take the date of the latest one. ")
     l10n_sa_show_delivery_date = fields.Boolean(compute='_compute_show_delivery_date')
     l10n_sa_qr_code_str = fields.Char(string='Zatka QR Code', compute='_compute_qr_code_str')
     l10n_sa_confirmation_datetime = fields.Datetime(string='Confirmation Date', readonly=True, copy=False)
@@ -50,8 +52,6 @@ class AccountMove(models.Model):
             if record.country_code == 'SA' and record.move_type in ('out_invoice', 'out_refund'):
                 if not record.l10n_sa_show_delivery_date:
                     raise UserError(_('Delivery Date cannot be empty'))
-                if record.l10n_sa_delivery_date < record.invoice_date:
-                    raise UserError(_('Delivery Date cannot be before Invoice Date'))
                 self.write({
                     'l10n_sa_confirmation_datetime': fields.Datetime.now()
                 })