From 7701ae2d194b404502407849f374974c9e81dd6e Mon Sep 17 00:00:00 2001
From: Gauthier PC portable 024 <gauthier.verdol@atm-consulting.fr>
Date: Fri, 4 Mar 2022 13:55:52 +0100
Subject: [PATCH] FIX : in case of TVA refund, negative amount must be allowed

---
 htdocs/compta/paiement_vat.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/htdocs/compta/paiement_vat.php b/htdocs/compta/paiement_vat.php
index 323221f6f2b..d52a8c3941d 100644
--- a/htdocs/compta/paiement_vat.php
+++ b/htdocs/compta/paiement_vat.php
@@ -83,7 +83,7 @@ if ($action == 'add_payment' || ($action == 'confirm_paiement' && $confirm == 'y
 		}
 	}
 
-	if ($amounts[key($amounts)] <= 0) {
+	if (empty($amounts[key($amounts)])) {
 		$error++;
 		setEventMessages($langs->trans("ErrorFieldRequired", $langs->transnoentities("Amount")), null, 'errors');
 		$action = 'create';