From 72a2aa648bd10dfe905b0ceb3c040e42eb7a3fe8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Wed, 25 Mar 2026 12:53:28 +0100
Subject: [PATCH] Enforce strictly positive rounding value for cash

Closes #14704
---
 modules/account_cash_rounding/currency.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/modules/account_cash_rounding/currency.py b/modules/account_cash_rounding/currency.py
index 1fa4d99598..a5c85b7592 100644
--- a/modules/account_cash_rounding/currency.py
+++ b/modules/account_cash_rounding/currency.py
@@ -13,7 +13,11 @@ class Currency(metaclass=PoolMeta):
 
     cash_rounding = fields.Numeric(
         "Cash Rounding Factor",
-        digits=(None, Eval('digits', None)))
+        digits=(None, Eval('digits', None)),
+        domain=['OR',
+            ('cash_rounding', '=', None),
+            ('cash_rounding', '>', 0),
+            ])
 
     def cash_round(self, amount, rounding=ROUND_HALF_EVEN, opposite=False):
         if opposite: