diff --git a/htdocs/categories/viewcat.php b/htdocs/categories/viewcat.php
index 864de6e2e98..4fb2a1aede4 100644
--- a/htdocs/categories/viewcat.php
+++ b/htdocs/categories/viewcat.php
@@ -285,16 +285,19 @@ print dol_get_fiche_end();
  */
 
 print "<div class='tabsAction'>\n";
+$reshook = $hookmanager->executeHooks('addMoreActionsButtons', $parameters, $object, $action); // Note that $action and $object may have been modified by some hooks
+if ($reshook < 0) setEventMessages($hookmanager->error, $hookmanager->errors, 'errors');
+if (empty($reshook)) {
+	if ($user->rights->categorie->creer)
+	{
+		$socid = ($object->socid ? "&socid=".$object->socid : "");
+		print '<a class="butAction" href="edit.php?id='.$object->id.$socid.'&type='.$type.'">'.$langs->trans("Modify").'</a>';
+	}
 
-if ($user->rights->categorie->creer)
-{
-	$socid = ($object->socid ? "&socid=".$object->socid : "");
-	print '<a class="butAction" href="edit.php?id='.$object->id.$socid.'&type='.$type.'">'.$langs->trans("Modify").'</a>';
-}
-
-if ($user->rights->categorie->supprimer)
-{
-	print '<a class="butActionDelete" href="'.$_SERVER["PHP_SELF"].'?action=delete&token='.newToken().'&id='.$object->id.'&type='.$type.'">'.$langs->trans("Delete").'</a>';
+	if ($user->rights->categorie->supprimer)
+	{
+		print '<a class="butActionDelete" href="'.$_SERVER["PHP_SELF"].'?action=delete&token='.newToken().'&id='.$object->id.'&type='.$type.'">'.$langs->trans("Delete").'</a>';
+	}
 }
 
 print "</div>";
diff --git a/htdocs/compta/prelevement/card.php b/htdocs/compta/prelevement/card.php
index 5d87303236a..b58b4ddec0c 100644
--- a/htdocs/compta/prelevement/card.php
+++ b/htdocs/compta/prelevement/card.php
@@ -98,7 +98,13 @@ if (empty($reshook))
 	// Seems to no be used and replaced with $action == 'infocredit'
 	if ($action == 'confirm_credite' && GETPOST('confirm', 'alpha') == 'yes')
 	{
-		$res = $object->set_credite();
+		if ($object->statut == 2) {
+			$res = -1;
+			setEventMessages('WithdrawalCantBeCreditedTwice', array(), 'errors');
+		} else {
+			$res = $object->set_credite();
+		}
+
 		if ($res >= 0)
 		{
 			header("Location: card.php?id=".$id);
@@ -145,10 +151,16 @@ if (empty($reshook))
 	{
 		$dt = dol_mktime(12, 0, 0, GETPOST('remonth', 'int'), GETPOST('reday', 'int'), GETPOST('reyear', 'int'));
 
-		$error = $object->set_infocredit($user, $dt);
+		if ($object->statut == 2) {
+			$error = 1;
+			setEventMessages('WithdrawalCantBeCreditedTwice', array(), 'errors');
+		} else {
+			$error = $object->set_infocredit($user, $dt);
+		}
+
 		if ($error)
 		{
-			setEventMessages($object->error, $object->errors, 'errors');
+        	setEventMessages($object->error, $object->errors, 'errors');
 		}
 	}
 }
diff --git a/htdocs/langs/en_US/withdrawals.lang b/htdocs/langs/en_US/withdrawals.lang
index 553e3ac0eaa..eb26ee91a6f 100644
--- a/htdocs/langs/en_US/withdrawals.lang
+++ b/htdocs/langs/en_US/withdrawals.lang
@@ -44,6 +44,7 @@ MakeBankTransferOrder=Make a credit transfer request
 WithdrawRequestsDone=%s direct debit payment requests recorded
 ThirdPartyBankCode=Third-party bank code
 NoInvoiceCouldBeWithdrawed=No invoice debited successfully. Check that invoices are on companies with a valid IBAN and that IBAN has a UMR (Unique Mandate Reference) with mode <strong>%s</strong>.
+WithdrawalCantBeCreditedTwice=This withdrawal receipt is already marked as credited; this can't be done twice, as this would potentially create duplicate payments and bank entries.
 ClassCredited=Classify credited
 ClassCreditedConfirm=Are you sure you want to classify this withdrawal receipt as credited on your bank account?
 TransData=Transmission date
diff --git a/htdocs/langs/fr_FR/withdrawals.lang b/htdocs/langs/fr_FR/withdrawals.lang
index e20eca0c75f..771fcfbcc83 100644
--- a/htdocs/langs/fr_FR/withdrawals.lang
+++ b/htdocs/langs/fr_FR/withdrawals.lang
@@ -45,6 +45,7 @@ WithdrawRequestsDone=%s demandes de prélèvements enregistrées
 BankTransferRequestsDone=%s demande de prélèvement enregistrée
 ThirdPartyBankCode=Code banque du tiers
 NoInvoiceCouldBeWithdrawed=Aucune facture traitée avec succès. Vérifiez que les factures sont sur les sociétés avec un BAN par défaut valide et que le BAN a un RUM avec le mode <strong> %s </strong>.
+WithdrawalCantBeCreditedTwice=Ce bon de prélèvement est déjà classé crédité ; cette opération ne peut pas être réalisée deux fois, car cela pourrait engendrer des doublons dans les paiements et les écritures bancaires.
 ClassCredited=Classer crédité
 ClassCreditedConfirm=Êtes-vous sûr de vouloir classer ce bon de prélèvement comme crédité sur votre compte bancaire ?
 TransData=Date de transmission