From f0f817c84fa4f66f39f731a602279d663beadf69 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Sat, 4 Apr 2026 00:52:12 +0200
Subject: [PATCH] Make the payment term fields readonly for non draft amendment
 lines

Closes #14746
(grafted from 85902c3ab347d29e9b4e957828add75f2cb2beef)

--HG--
branch : 6.0
---
 modules/purchase_amendment/purchase.py | 1 +
 modules/sale_amendment/sale.py         | 1 +
 2 files changed, 2 insertions(+)

diff --git a/modules/purchase_amendment/purchase.py b/modules/purchase_amendment/purchase.py
index 2ede5ae9d8..9c346f2d69 100644
--- a/modules/purchase_amendment/purchase.py
+++ b/modules/purchase_amendment/purchase.py
@@ -195,6 +195,7 @@ class AmendmentLine(ModelSQL, ModelView):
     payment_term = fields.Many2One(
         'account.invoice.payment_term', "Payment Term",
         states={
+            'readonly': Eval('state') != 'draft',
             'invisible': Eval('action') != 'payment_term',
             },
         depends=['action'])
diff --git a/modules/sale_amendment/sale.py b/modules/sale_amendment/sale.py
index 560cc8d200..260ff2441b 100644
--- a/modules/sale_amendment/sale.py
+++ b/modules/sale_amendment/sale.py
@@ -211,6 +211,7 @@ class AmendmentLine(ModelSQL, ModelView):
     payment_term = fields.Many2One(
         'account.invoice.payment_term', "Payment Term",
         states={
+            'readonly': Eval('state') != 'draft',
             'invisible': Eval('action') != 'payment_term',
             },
         depends=['action'])