diff --git a/htdocs/comm/propal/card.php b/htdocs/comm/propal/card.php
index e02ff5d8875..eae47265e24 100644
--- a/htdocs/comm/propal/card.php
+++ b/htdocs/comm/propal/card.php
@@ -2260,7 +2260,7 @@ if ($action == 'create') {
 	$morehtmlref = '<div class="refidno">';
 	// Ref customer
 	$morehtmlref .= $form->editfieldkey("RefCustomer", 'ref_client', $object->ref_client, $object, $usercancreate, 'string', '', 0, 1);
-	$morehtmlref .= $form->editfieldval("RefCustomer", 'ref_client', $object->ref_client, $object, $usercancreate, 'string', '', null, null, '', 1);
+	$morehtmlref .= $form->editfieldval("RefCustomer", 'ref_client', $object->ref_client, $object, $usercancreate, 'string'.(isset($conf->global->THIRDPARTY_REF_INPUT_SIZE) ? ':'.$conf->global->THIRDPARTY_REF_INPUT_SIZE : ''), '', null, null, '', 1);
 	// Thirdparty
 	$morehtmlref .= '<br><span class="hideonsmartphone">'.$langs->trans('ThirdParty').' : </span>'.$object->thirdparty->getNomUrl(1, 'customer');
 	if (empty($conf->global->MAIN_DISABLE_OTHER_LINK) && $object->thirdparty->id > 0) {
diff --git a/htdocs/commande/card.php b/htdocs/commande/card.php
index b97bf147dbb..ddc31616c09 100644
--- a/htdocs/commande/card.php
+++ b/htdocs/commande/card.php
@@ -2320,7 +2320,7 @@ if ($action == 'create' && $usercancreate) {
 		$morehtmlref = '<div class="refidno">';
 		// Ref customer
 		$morehtmlref .= $form->editfieldkey("RefCustomer", 'ref_client', $object->ref_client, $object, $usercancreate, 'string', '', 0, 1);
-		$morehtmlref .= $form->editfieldval("RefCustomer", 'ref_client', $object->ref_client, $object, $usercancreate, 'string', '', null, null, '', 1);
+		$morehtmlref .= $form->editfieldval("RefCustomer", 'ref_client', $object->ref_client, $object, $usercancreate, 'string'.(isset($conf->global->THIRDPARTY_REF_INPUT_SIZE) ? ':'.$conf->global->THIRDPARTY_REF_INPUT_SIZE : ''), '', null, null, '', 1);
 		// Thirdparty
 		$morehtmlref .= '<br>'.$langs->trans('ThirdParty').' : '.$soc->getNomUrl(1, 'customer');
 		if (empty($conf->global->MAIN_DISABLE_OTHER_LINK) && $object->thirdparty->id > 0) {
diff --git a/htdocs/compta/facture/card.php b/htdocs/compta/facture/card.php
index 839a61b2413..a4e8b52f9a2 100644
--- a/htdocs/compta/facture/card.php
+++ b/htdocs/compta/facture/card.php
@@ -4355,7 +4355,7 @@ if ($action == 'create') {
 	}
 	// Ref customer
 	$morehtmlref .= $form->editfieldkey("RefCustomer", 'ref_client', $object->ref_client, $object, $usercancreate, 'string', '', 0, 1);
-	$morehtmlref .= $form->editfieldval("RefCustomer", 'ref_client', $object->ref_client, $object, $usercancreate, 'string', '', null, null, '', 1);
+	$morehtmlref .= $form->editfieldval("RefCustomer", 'ref_client', $object->ref_client, $object, $usercancreate, 'string'.(isset($conf->global->THIRDPARTY_REF_INPUT_SIZE) ? ':'.$conf->global->THIRDPARTY_REF_INPUT_SIZE : ''), '', null, null, '', 1);	// InfraS change
 	// Thirdparty
 	$morehtmlref .= '<br>'.$langs->trans('ThirdParty').' : '.$object->thirdparty->getNomUrl(1, 'customer');
 	if (empty($conf->global->MAIN_DISABLE_OTHER_LINK) && $object->thirdparty->id > 0) {
diff --git a/htdocs/contrat/card.php b/htdocs/contrat/card.php
index 439f312bef6..983488e086d 100644
--- a/htdocs/contrat/card.php
+++ b/htdocs/contrat/card.php
@@ -1357,7 +1357,7 @@ if ($action == 'create') {
 		$morehtmlref .= '<div class="refidno">';
 		// Ref customer
 		$morehtmlref .= $form->editfieldkey("RefCustomer", 'ref_customer', $object->ref_customer, $object, $user->rights->contrat->creer, 'string', '', 0, 1);
-		$morehtmlref .= $form->editfieldval("RefCustomer", 'ref_customer', $object->ref_customer, $object, $user->rights->contrat->creer, 'string', '', null, null, '', 1, 'getFormatedCustomerRef');
+		$morehtmlref .= $form->editfieldval("RefCustomer", 'ref_customer', $object->ref_customer, $object, $user->rights->contrat->creer, 'string'.(isset($conf->global->THIRDPARTY_REF_INPUT_SIZE) ? ':'.$conf->global->THIRDPARTY_REF_INPUT_SIZE : ''), '', null, null, '', 1, 'getFormatedCustomerRef');
 		// Ref supplier
 		$morehtmlref .= '<br>';
 		$morehtmlref .= $form->editfieldkey("RefSupplier", 'ref_supplier', $object->ref_supplier, $object, $user->rights->contrat->creer, 'string', '', 0, 1);
diff --git a/htdocs/delivery/card.php b/htdocs/delivery/card.php
index 108f81751b3..41422bdb6ce 100644
--- a/htdocs/delivery/card.php
+++ b/htdocs/delivery/card.php
@@ -323,7 +323,7 @@ if ($action == 'create') {    // Create. Seems to no be used
 			$morehtmlref = '<div class="refidno">';
 			// Ref customer shipment
 			$morehtmlref .= $form->editfieldkey("RefCustomer", '', $expedition->ref_customer, $expedition, $user->rights->expedition->creer, 'string', '', 0, 1);
-			$morehtmlref .= $form->editfieldval("RefCustomer", '', $expedition->ref_customer, $expedition, $user->rights->expedition->creer, 'string', '', null, null, '', 1);
+			$morehtmlref .= $form->editfieldval("RefCustomer", '', $expedition->ref_customer, $expedition, $user->rights->expedition->creer, 'string'.(isset($conf->global->THIRDPARTY_REF_INPUT_SIZE) ? ':'.$conf->global->THIRDPARTY_REF_INPUT_SIZE : ''), '', null, null, '', 1);
 			$morehtmlref .= '<br>'.$langs->trans("RefDeliveryReceipt").' : '.$object->ref;
 			// Thirdparty
 			$morehtmlref .= '<br>'.$langs->trans('ThirdParty').' : '.$expedition->thirdparty->getNomUrl(1);
diff --git a/htdocs/expedition/card.php b/htdocs/expedition/card.php
index 3a0a9869571..1929b7b0f22 100644
--- a/htdocs/expedition/card.php
+++ b/htdocs/expedition/card.php
@@ -1728,7 +1728,7 @@ if ($action == 'create') {
 		$morehtmlref = '<div class="refidno">';
 		// Ref customer shipment
 		$morehtmlref .= $form->editfieldkey("RefCustomer", 'ref_customer', $object->ref_customer, $object, $user->rights->expedition->creer, 'string', '', 0, 1);
-		$morehtmlref .= $form->editfieldval("RefCustomer", 'ref_customer', $object->ref_customer, $object, $user->rights->expedition->creer, 'string', '', null, null, '', 1);
+		$morehtmlref .= $form->editfieldval("RefCustomer", 'ref_customer', $object->ref_customer, $object, $user->rights->expedition->creer, 'string'.(isset($conf->global->THIRDPARTY_REF_INPUT_SIZE) ? ':'.$conf->global->THIRDPARTY_REF_INPUT_SIZE : ''), '', null, null, '', 1);
 		// Thirdparty
 		$morehtmlref .= '<br>'.$langs->trans('ThirdParty').' : '.$object->thirdparty->getNomUrl(1);
 		// Project
diff --git a/htdocs/fourn/commande/card.php b/htdocs/fourn/commande/card.php
index 67ec98e3c96..62926138e63 100644
--- a/htdocs/fourn/commande/card.php
+++ b/htdocs/fourn/commande/card.php
@@ -2015,7 +2015,7 @@ if ($action == 'create') {
 	$morehtmlref = '<div class="refidno">';
 	// Ref supplier
 	$morehtmlref .= $form->editfieldkey("RefSupplier", 'ref_supplier', $object->ref_supplier, $object, $usercancreate, 'string', '', 0, 1);
-	$morehtmlref .= $form->editfieldval("RefSupplier", 'ref_supplier', $object->ref_supplier, $object, $usercancreate, 'string', '', null, null, '', 1);
+	$morehtmlref .= $form->editfieldval("RefSupplier", 'ref_supplier', $object->ref_supplier, $object, $usercancreate, 'string'.(isset($conf->global->THIRDPARTY_REF_INPUT_SIZE) ? ':'.$conf->global->THIRDPARTY_REF_INPUT_SIZE : ''), '', null, null, '', 1);
 	// Thirdparty
 	$morehtmlref .= '<br>'.$langs->trans('ThirdParty');
 	if (!empty($conf->global->MAIN_CAN_EDIT_SUPPLIER_ON_SUPPLIER_ORDER) && !empty($usercancreate) && $action == 'edit_thirdparty') {