diff --git a/htdocs/adherents/class/adherent.class.php b/htdocs/adherents/class/adherent.class.php
index 0e168adddb2..bc7e0c14462 100644
--- a/htdocs/adherents/class/adherent.class.php
+++ b/htdocs/adherents/class/adherent.class.php
@@ -323,7 +323,7 @@ class Adherent extends CommonObject
 		'rowid' => array('type' => 'integer', 'label' => 'TechnicalID', 'enabled' => 1, 'visible' => -1, 'notnull' => 1, 'position' => 10),
 		'ref' => array('type' => 'varchar(30)', 'label' => 'Ref', 'default' => '1', 'enabled' => 1, 'visible' => 1, 'notnull' => 1, 'position' => 12, 'index' => 1),
 		'entity' => array('type' => 'integer', 'label' => 'Entity', 'default' => '1', 'enabled' => 1, 'visible' => -2, 'notnull' => 1, 'position' => 15, 'index' => 1),
-		'ref_ext' => array('type' => 'varchar(128)', 'label' => 'Ref ext', 'enabled' => 1, 'visible' => 0, 'position' => 20),
+		'ref_ext' => array('type' => 'varchar(128)', 'label' => 'RefExt', 'enabled' => 1, 'visible' => 0, 'position' => 20),
 		'civility' => array('type' => 'varchar(6)', 'label' => 'Civility', 'enabled' => 1, 'visible' => -1, 'position' => 25),
 		'lastname' => array('type' => 'varchar(50)', 'label' => 'Lastname', 'enabled' => 1, 'visible' => 1, 'position' => 30, 'showoncombobox' => 1),
 		'firstname' => array('type' => 'varchar(50)', 'label' => 'Firstname', 'enabled' => 1, 'visible' => 1, 'position' => 35, 'showoncombobox' => 1),
@@ -399,6 +399,8 @@ class Adherent extends CommonObject
 		$this->isextrafieldmanaged = 1;
 		// les champs optionnels sont vides
 		$this->array_options = array();
+
+		$this->fields['ref_ext']['visible'] = getDolGlobalInt('MAIN_LIST_SHOW_REF_EXT');
 	}
 
 
diff --git a/htdocs/categories/class/categorie.class.php b/htdocs/categories/class/categorie.class.php
index 69ecf8b44bf..f8c77afa6c0 100644
--- a/htdocs/categories/class/categorie.class.php
+++ b/htdocs/categories/class/categorie.class.php
@@ -298,7 +298,7 @@ class Categorie extends CommonObject
 		'rowid' => array('type' => 'integer', 'label' => 'TechnicalID', 'enabled' => 1, 'position' => 10, 'notnull' => 1, 'visible' => -1,),
 		'fk_parent' => array('type' => 'integer', 'label' => 'Fkparent', 'enabled' => 1, 'position' => 20, 'notnull' => 1, 'visible' => -1, 'css' => 'maxwidth500 widthcentpercentminusxx',),
 		'label' => array('type' => 'varchar(180)', 'label' => 'Label', 'enabled' => 1, 'position' => 25, 'notnull' => 1, 'visible' => -1, 'alwayseditable' => 1, 'css' => 'minwidth300', 'cssview' => 'wordbreak', 'csslist' => 'tdoverflowmax150',),
-		'ref_ext' => array('type' => 'varchar(255)', 'label' => 'Refext', 'enabled' => 1, 'position' => 30, 'notnull' => 0, 'visible' => 0, 'alwayseditable' => 1,),
+		'ref_ext' => array('type' => 'varchar(255)', 'label' => 'RefExt', 'enabled' => 1, 'position' => 30, 'notnull' => 0, 'visible' => 0, 'alwayseditable' => 1,),
 		'type' => array('type' => 'integer', 'label' => 'Type', 'enabled' => 1, 'position' => 35, 'notnull' => 1, 'visible' => -1, 'alwayseditable' => 1,),
 		'description' => array('type' => 'text', 'label' => 'Description', 'enabled' => 1, 'position' => 40, 'notnull' => 0, 'visible' => -1, 'alwayseditable' => 1,),
 		'color' => array('type' => 'varchar(8)', 'label' => 'Color', 'enabled' => 1, 'position' => 45, 'notnull' => 0, 'visible' => -1, 'alwayseditable' => 1,),
diff --git a/htdocs/comm/propal/class/propal.class.php b/htdocs/comm/propal/class/propal.class.php
index a043f0b2627..4db467dc34b 100644
--- a/htdocs/comm/propal/class/propal.class.php
+++ b/htdocs/comm/propal/class/propal.class.php
@@ -452,7 +452,9 @@ class Propal extends CommonObject
 		$this->socid = $socid;
 		$this->id = $propalid;
 
-		$this->duree_validite = getDolGlobalInt('PROPALE_VALIDITY_DURATION', 0);
+		$this->duree_validite = getDolGlobalInt('PROPALE_VALIDITY_DURATION');
+
+		$this->fields['ref_ext']['visible'] = getDolGlobalInt('MAIN_LIST_SHOW_REF_EXT');
 	}
 
 
diff --git a/htdocs/commande/class/commande.class.php b/htdocs/commande/class/commande.class.php
index 6cfffd457db..a7f395116b0 100644
--- a/htdocs/commande/class/commande.class.php
+++ b/htdocs/commande/class/commande.class.php
@@ -426,6 +426,8 @@ class Commande extends CommonOrder
 
 		$this->ismultientitymanaged = 1;
 		$this->isextrafieldmanaged = 1;
+
+		$this->fields['ref_ext']['visible'] = getDolGlobalInt('MAIN_LIST_SHOW_REF_EXT');
 	}
 
 	/**
diff --git a/htdocs/compta/facture/class/facture.class.php b/htdocs/compta/facture/class/facture.class.php
index 367b2ca8228..73ae657c12f 100644
--- a/htdocs/compta/facture/class/facture.class.php
+++ b/htdocs/compta/facture/class/facture.class.php
@@ -324,7 +324,7 @@ class Facture extends CommonInvoice
 		'ref' => array('type' => 'varchar(30)', 'label' => 'Ref', 'enabled' => 1, 'visible' => 1, 'notnull' => 1, 'showoncombobox' => 1, 'position' => 5),
 		'entity' => array('type' => 'integer', 'label' => 'Entity', 'default' => '1', 'enabled' => 1, 'visible' => -2, 'notnull' => 1, 'position' => 20, 'index' => 1),
 		'ref_client' => array('type' => 'varchar(255)', 'label' => 'RefCustomer', 'enabled' => 1, 'visible' => -1, 'position' => 10),
-		'ref_ext' => array('type' => 'varchar(255)', 'label' => 'Ref ext', 'enabled' => 1, 'visible' => 0, 'position' => 12),
+		'ref_ext' => array('type' => 'varchar(255)', 'label' => 'RefExt', 'enabled' => 1, 'visible' => 0, 'position' => 12),
 		'type' => array('type' => 'smallint(6)', 'label' => 'Type', 'enabled' => 1, 'visible' => -1, 'notnull' => 1, 'position' => 15),
 		'subtype' => array('type' => 'smallint(6)', 'label' => 'InvoiceSubtype', 'enabled' => 1, 'visible' => -1, 'notnull' => 1, 'position' => 15),
 		//'increment' =>array('type'=>'varchar(10)', 'label'=>'Increment', 'enabled'=>1, 'visible'=>-1, 'position'=>45),
diff --git a/htdocs/contact/class/contact.class.php b/htdocs/contact/class/contact.class.php
index f6acb419e47..4e46f88bb23 100644
--- a/htdocs/contact/class/contact.class.php
+++ b/htdocs/contact/class/contact.class.php
@@ -92,7 +92,7 @@ class Contact extends CommonObject
 	public $fields = array(
 		'rowid' => array('type' => 'integer', 'label' => 'TechnicalID', 'enabled' => 1, 'visible' => -2, 'noteditable' => 1, 'notnull' => 1, 'index' => 1, 'position' => 1, 'comment' => 'Id', 'css' => 'left'),
 		'entity' => array('type' => 'integer', 'label' => 'Entity', 'default' => '1', 'enabled' => 1, 'visible' => 3, 'notnull' => 1, 'position' => 30, 'index' => 1),
-		'ref_ext' => array('type' => 'varchar(255)', 'label' => 'Ref ext', 'enabled' => 1, 'visible' => 3, 'position' => 35),
+		'ref_ext' => array('type' => 'varchar(255)', 'label' => 'RefExt', 'enabled' => 1, 'visible' => 0, 'position' => 35),
 		'civility' => array('type' => 'varchar(6)', 'label' => 'Civility', 'enabled' => 1, 'visible' => 3, 'position' => 40),
 		'lastname' => array('type' => 'varchar(50)', 'label' => 'Lastname', 'enabled' => 1, 'visible' => 1, 'position' => 45, 'showoncombobox' => 1, 'searchall' => 1),
 		'name_alias' => array('type' => 'varchar(255)', 'label' => 'Name alias', 'enabled' => 1, 'visible' => -1, 'position' => 46, 'searchall' => 1),
@@ -386,6 +386,8 @@ class Contact extends CommonObject
 		$this->ismultientitymanaged = 1;
 		$this->isextrafieldmanaged = 1;
 
+		$this->fields['ref_ext']['visible'] = getDolGlobalInt('MAIN_LIST_SHOW_REF_EXT');
+
 		if (!isModEnabled('mailing')) {
 			$this->fields['no_email']['enabled'] = 0;
 		}
diff --git a/htdocs/contrat/class/contrat.class.php b/htdocs/contrat/class/contrat.class.php
index 9e87b95609f..8e8600420be 100644
--- a/htdocs/contrat/class/contrat.class.php
+++ b/htdocs/contrat/class/contrat.class.php
@@ -268,7 +268,7 @@ class Contrat extends CommonObject
 	public $fields = array(
 		'rowid' => array('type' => 'integer', 'label' => 'TechnicalID', 'enabled' => 1, 'visible' => -1, 'notnull' => 1, 'position' => 10),
 		'ref' => array('type' => 'varchar(50)', 'label' => 'Ref', 'enabled' => 1, 'visible' => -1, 'showoncombobox' => 1, 'position' => 15, 'searchall' => 1),
-		'ref_ext' => array('type' => 'varchar(255)', 'label' => 'Ref ext', 'enabled' => 1, 'visible' => 0, 'position' => 20),
+		'ref_ext' => array('type' => 'varchar(255)', 'label' => 'RefExt', 'enabled' => 1, 'visible' => 0, 'position' => 20),
 		'ref_customer' => array('type' => 'varchar(50)', 'label' => 'RefCustomer', 'enabled' => 1, 'visible' => -1, 'position' => 25, 'searchall' => 1),
 		'ref_supplier' => array('type' => 'varchar(50)', 'label' => 'RefSupplier', 'enabled' => 1, 'visible' => -1, 'position' => 26, 'searchall' => 1),
 		'entity' => array('type' => 'integer', 'label' => 'Entity', 'default' => '1', 'enabled' => 1, 'visible' => -2, 'notnull' => 1, 'position' => 30, 'index' => 1),
diff --git a/htdocs/expensereport/class/expensereport.class.php b/htdocs/expensereport/class/expensereport.class.php
index 3bd2e0feb35..afd28c3d3c6 100644
--- a/htdocs/expensereport/class/expensereport.class.php
+++ b/htdocs/expensereport/class/expensereport.class.php
@@ -296,7 +296,7 @@ class ExpenseReport extends CommonObject
 		'ref' => array('type' => 'varchar(50)', 'label' => 'Ref', 'enabled' => 1, 'visible' => -1, 'notnull' => 1, 'showoncombobox' => 1, 'position' => 15),
 		'entity' => array('type' => 'integer', 'label' => 'Entity', 'default' => '1', 'enabled' => 1, 'visible' => -2, 'notnull' => 1, 'position' => 20),
 		'ref_number_int' => array('type' => 'integer', 'label' => 'Ref number int', 'enabled' => 1, 'visible' => -1, 'position' => 25),
-		'ref_ext' => array('type' => 'integer', 'label' => 'Ref ext', 'enabled' => 1, 'visible' => -1, 'position' => 30),
+		'ref_ext' => array('type' => 'integer', 'label' => 'RefExt', 'enabled' => 1, 'visible' => 0, 'position' => 30),
 		'total_ht' => array('type' => 'double(24,8)', 'label' => 'Total ht', 'enabled' => 1, 'visible' => -1, 'position' => 35),
 		'total_tva' => array('type' => 'double(24,8)', 'label' => 'Total tva', 'enabled' => 1, 'visible' => -1, 'position' => 40),
 		'localtax1' => array('type' => 'double(24,8)', 'label' => 'Localtax1', 'enabled' => 1, 'visible' => -1, 'position' => 45),
@@ -357,6 +357,8 @@ class ExpenseReport extends CommonObject
 		// List of language codes for status
 		$this->labelStatusShort = array(0 => 'Draft', 2 => 'Validated', 4 => 'Canceled', 5 => 'Approved', 6 => 'Paid', 99 => 'Refused');
 		$this->labelStatus = array(0 => 'Draft', 2 => 'ValidatedWaitingApproval', 4 => 'Canceled', 5 => 'Approved', 6 => 'Paid', 99 => 'Refused');
+
+		$this->fields['ref_ext']['visible'] = getDolGlobalInt('MAIN_LIST_SHOW_REF_EXT');
 	}
 
 	/**
diff --git a/htdocs/fichinter/class/fichinter.class.php b/htdocs/fichinter/class/fichinter.class.php
index 98dd96d141e..37d0bb8ad95 100644
--- a/htdocs/fichinter/class/fichinter.class.php
+++ b/htdocs/fichinter/class/fichinter.class.php
@@ -48,7 +48,7 @@ class Fichinter extends CommonObject
 		'fk_projet' => array('type' => 'integer:Project:projet/class/project.class.php:1:(fk_statut:=:1)', 'label' => 'Fk projet', 'enabled' => 'isModEnabled("project")', 'visible' => -1, 'position' => 20),
 		'fk_contrat' => array('type' => 'integer', 'label' => 'Fk contrat', 'enabled' => '$conf->contrat->enabled', 'visible' => -1, 'position' => 25),
 		'ref' => array('type' => 'varchar(30)', 'label' => 'Ref', 'enabled' => 1, 'visible' => -1, 'notnull' => 1, 'showoncombobox' => 1, 'position' => 30),
-		'ref_ext' => array('type' => 'varchar(255)', 'label' => 'Ref ext', 'enabled' => 1, 'visible' => 0, 'position' => 35),
+		'ref_ext' => array('type' => 'varchar(255)', 'label' => 'RefExt', 'enabled' => 1, 'visible' => 0, 'position' => 35),
 		'ref_client' => array('type' => 'varchar(255)', 'label' => 'RefCustomer', 'enabled' => 1, 'visible' => -1, 'position' => 36),
 		'entity' => array('type' => 'integer', 'label' => 'Entity', 'default' => '1', 'enabled' => 1, 'visible' => -2, 'notnull' => 1, 'position' => 40, 'index' => 1),
 		'tms' => array('type' => 'timestamp', 'label' => 'DateModification', 'enabled' => 1, 'visible' => -1, 'notnull' => 1, 'position' => 45),
diff --git a/htdocs/fourn/class/fournisseur.commande.class.php b/htdocs/fourn/class/fournisseur.commande.class.php
index 9fe9b26f578..3e529a3727a 100644
--- a/htdocs/fourn/class/fournisseur.commande.class.php
+++ b/htdocs/fourn/class/fournisseur.commande.class.php
@@ -376,7 +376,7 @@ class CommandeFournisseur extends CommonOrder
 	public $fields = array(
 		'rowid' => array('type' => 'integer', 'label' => 'TechnicalID', 'enabled' => 1, 'visible' => 0, 'notnull' => 1, 'position' => 10),
 		'ref' => array('type' => 'varchar(255)', 'label' => 'Ref', 'enabled' => 1, 'visible' => 1, 'showoncombobox' => 1, 'position' => 25, 'searchall' => 1),
-		'ref_ext' => array('type' => 'varchar(255)', 'label' => 'Ref ext', 'enabled' => 1, 'visible' => 0, 'position' => 35),
+		'ref_ext' => array('type' => 'varchar(255)', 'label' => 'RefExt', 'enabled' => 1, 'visible' => 0, 'position' => 35),
 		'ref_supplier' => array('type' => 'varchar(255)', 'label' => 'RefOrderSupplierShort', 'enabled' => 1, 'visible' => 1, 'position' => 40, 'searchall' => 1),
 		'fk_projet' => array('type' => 'integer:Project:projet/class/project.class.php:1:(fk_statut:=:1)', 'label' => 'Project', 'enabled' => "isModEnabled('project')", 'visible' => -1, 'position' => 45),
 		'date_valid' => array('type' => 'datetime', 'label' => 'DateValidation', 'enabled' => 1, 'visible' => -1, 'position' => 710),
diff --git a/htdocs/product/list.php b/htdocs/product/list.php
index a1b8ebb62d2..461151ccd66 100644
--- a/htdocs/product/list.php
+++ b/htdocs/product/list.php
@@ -89,7 +89,8 @@ $fourn_id = GETPOSTINT("fourn_id");
 $search_all = trim(GETPOST('search_all', 'alphanohtml'));
 $search_id = GETPOST("search_id", 'alpha');
 $search_ref = GETPOST("search_ref", 'alpha');
-$search_ref_supplier = GETPOST("search_ref_supplier", 'alpha');
+$search_ref_ext = trim(GETPOST("search_ref_ext", 'alpha'));
+$search_ref_supplier = GETPOST("search_ref_supplier", 'alpha');	// ref of supplier price
 $search_barcode = GETPOST("search_barcode", 'alpha');
 $search_label = GETPOST("search_label", 'alpha');
 $search_default_workstation = GETPOST("search_default_workstation", 'alpha');
@@ -238,7 +239,8 @@ $arraypricelevel = array();
 // Definition of array of fields for columns
 $arrayfields = array(
 	'p.rowid' => array('type' => 'integer', 'label' => 'TechnicalID', 'enabled' => 1, 'visible' => -2, 'noteditable' => 1, 'notnull' => 1, 'index' => 1, 'position' => 1, 'comment' => 'Id', 'css' => 'left'),
-	'p.ref' => array('label' => 'ProductRef', 'checked' => 1, 'position' => 10),
+	'p.ref' => array('label' => 'ProductRef', 'checked' => 1, 'position' => 5),
+	'p.ref_ext' => array('label' => 'RefExt', 'checked' => 1, 'position' => 6, 'visible' => getDolGlobalInt('MAIN_LIST_SHOW_REF_EXT')),
 	//'pfp.ref_fourn'=>array('label'=>$langs->trans("RefSupplier"), 'checked'=>1, 'enabled'=>(isModEnabled('barcode'))),
 	'thumbnail' => array('label' => 'Photo', 'checked' => 0, 'position' => 10),
 	'p.description' => array('label' => 'Description', 'checked' => 0, 'position' => 10),
@@ -365,6 +367,7 @@ if (empty($reshook)) {
 		$search_all = "";
 		$search_id = '';
 		$search_ref = "";
+		$search_ref_ext = "";
 		$search_ref_supplier = "";
 		$search_label = "";
 		$search_default_workstation = "";
@@ -556,6 +559,9 @@ if ($search_id) {
 if ($search_ref) {
 	$sql .= natural_search('p.ref', $search_ref);
 }
+if ($search_ref_ext) {
+	$sql .= natural_search('p.ref_ext', $search_ref_ext);
+}
 if ($search_label) {
 	$sql .= natural_search('p.label', $search_label);
 }
@@ -783,6 +789,9 @@ foreach ($searchCategoryProductList as $searchCategoryProduct) {
 if ($search_ref) {
 	$param .= "&search_ref=".urlencode($search_ref);
 }
+if ($search_ref_ext) {
+	$param .= "&search_ref_ext=".urlencode($search_ref_ext);
+}
 if ($search_ref_supplier) {
 	$param .= "&search_ref_supplier=".urlencode($search_ref_supplier);
 }
@@ -1007,17 +1016,22 @@ if (getDolGlobalString('MAIN_CHECKBOX_LEFT_COLUMN')) {
 }
 if (!empty($arrayfields['p.rowid']['checked'])) {
 	print '<td class="liste_titre left">';
-	print '<input class="flat" type="text" name="search_id" size="4" value="'.dol_escape_htmltag($search_id).'">';
+	print '<input class="flat width50" type="text" name="search_id" value="'.dol_escape_htmltag($search_id).'">';
 	print '</td>';
 }
 if (!empty($arrayfields['p.ref']['checked'])) {
 	print '<td class="liste_titre left">';
-	print '<input class="flat" type="text" name="search_ref" size="8" value="'.dol_escape_htmltag($search_ref).'">';
+	print '<input class="flat width75" type="text" name="search_ref" value="'.dol_escape_htmltag($search_ref).'">';
+	print '</td>';
+}
+if (!empty($arrayfields['p.ref_ext']['checked'])) {
+	print '<td class="liste_titre left">';
+	print '<input class="flat width75" type="text" name="search_ref_ext" value="'.dol_escape_htmltag($search_ref_ext).'">';
 	print '</td>';
 }
 if (!empty($arrayfields['pfp.ref_fourn']['checked'])) {
 	print '<td class="liste_titre left">';
-	print '<input class="flat" type="text" name="search_ref_supplier" size="8" value="'.dol_escape_htmltag($search_ref_supplier).'">';
+	print '<input class="flat width75" type="text" name="search_ref_supplier" value="'.dol_escape_htmltag($search_ref_supplier).'">';
 	print '</td>';
 }
 // Thumbnail
@@ -1308,6 +1322,10 @@ if (!empty($arrayfields['p.ref']['checked'])) {
 	print_liste_field_titre($arrayfields['p.ref']['label'], $_SERVER["PHP_SELF"], "p.ref", "", $param, "", $sortfield, $sortorder);
 	$totalarray['nbfield']++;
 }
+if (!empty($arrayfields['p.ref_ext']['checked'])) {
+	print_liste_field_titre($arrayfields['p.ref_ext']['label'], $_SERVER["PHP_SELF"], "p.ref_ext", "", $param, "", $sortfield, $sortorder);
+	$totalarray['nbfield']++;
+}
 if (!empty($arrayfields['pfp.ref_fourn']['checked'])) {
 	print_liste_field_titre($arrayfields['pfp.ref_fourn']['label'], $_SERVER["PHP_SELF"], "pfp.ref_fourn", "", $param, "", $sortfield, $sortorder);
 	$totalarray['nbfield']++;
@@ -1674,6 +1692,16 @@ while ($i < $imaxinloop) {
 			}
 		}
 
+		// Ref ext
+		if (!empty($arrayfields['p.ref_ext']['checked'])) {
+			print '<td class="tdoverflowmax250" title="'.dolPrintHTMLForAttribute($product_static->ref_ext).'">';
+			print dolPrintHTML($product_static->ref_ext);
+			print "</td>\n";
+			if (!$i) {
+				$totalarray['nbfield']++;
+			}
+		}
+
 		// Ref supplier
 		if (!empty($arrayfields['pfp.ref_fourn']['checked'])) {
 			print '<td class="tdoverflowmax200">';
diff --git a/htdocs/salaries/class/paymentsalary.class.php b/htdocs/salaries/class/paymentsalary.class.php
index 816837e13b8..1097eb06f6d 100644
--- a/htdocs/salaries/class/paymentsalary.class.php
+++ b/htdocs/salaries/class/paymentsalary.class.php
@@ -179,7 +179,7 @@ class PaymentSalary extends CommonObject
 		'paye' => array('type' => 'smallint(6)', 'label' => 'Status', 'enabled' => 1, 'visible' => 1, 'notnull' => 1, 'position' => 180),
 		'fk_user_author' => array('type' => 'integer:User:user/class/user.class.php', 'label' => 'UserAuthor', 'enabled' => 1, 'visible' => 0, 'position' => 190),
 		'fk_user_modif' => array('type' => 'integer:User:user/class/user.class.php', 'label' => 'UserModif', 'enabled' => 1, 'position' => 200, 'visible' => 0,),
-		'ref_ext' => array('type' => 'varchar(128)', 'label' => 'Ref ext', 'enabled' => 1, 'visible' => 0, 'position' => 210),
+		'ref_ext' => array('type' => 'varchar(128)', 'label' => 'RefExt', 'enabled' => 1, 'visible' => 0, 'position' => 210),
 		'note_public' => array('type' => 'text', 'label' => 'NotePublic', 'enabled' => 1, 'visible' => 0, 'position' => 220),
 	);
 
diff --git a/htdocs/salaries/class/salary.class.php b/htdocs/salaries/class/salary.class.php
index 941cee025bc..da4fed65b02 100644
--- a/htdocs/salaries/class/salary.class.php
+++ b/htdocs/salaries/class/salary.class.php
@@ -162,6 +162,7 @@ class Salary extends CommonObject
 	public $fields = array(
 		'rowid' => array('type' => 'integer', 'label' => 'TechnicalID', 'enabled' => 1, 'visible' => 0, 'notnull' => 1, 'index' => 1, 'position' => 1, 'comment' => 'Id'),
 		'ref' => array('type' => 'varchar(128)', 'label' => 'Ref', 'enabled' => 1, 'position' => 10, 'visible' => 1, 'index' => 1, 'comment' => "Reference of object"),
+		'ref_ext' => array('type' => 'varchar(128)', 'label' => 'RefExt', 'enabled' => 1, 'visible' => 0, 'position' => 11),
 		'label' => array('type' => 'varchar(255)', 'label' => 'Label', 'enabled' => 1, 'position' => 12, 'notnull' => 0, 'visible' => 1),
 		'datec' => array('type' => 'datetime', 'label' => 'DateCreation', 'enabled' => 1, 'visible' => 0, 'position' => 30),
 		'datep' => array('type' => 'date', 'label' => 'Date', 'enabled' => 1, 'visible' => 0, 'position' => 40, 'comment' => 'Date'),
@@ -181,7 +182,6 @@ class Salary extends CommonObject
 		'paye' => array('type' => 'smallint(6)', 'label' => 'Status', 'enabled' => 1, 'visible' => 1, 'notnull' => 1, 'position' => 180),
 		'fk_user_author' => array('type' => 'integer:User:user/class/user.class.php', 'label' => 'UserAuthor', 'enabled' => 1, 'visible' => 0, 'position' => 190),
 		'fk_user_modif' => array('type' => 'integer:User:user/class/user.class.php', 'label' => 'UserModif', 'enabled' => 1, 'position' => 200, 'visible' => 0,),
-		'ref_ext' => array('type' => 'varchar(128)', 'label' => 'Ref ext', 'enabled' => 1, 'visible' => 0, 'position' => 210),
 		'note_public' => array('type' => 'text', 'label' => 'NotePublic', 'enabled' => 1, 'visible' => 0, 'position' => 220),
 	);
 
@@ -196,6 +196,8 @@ class Salary extends CommonObject
 		$this->db = $db;
 		$this->element = 'salary';
 		$this->table_element = 'salary';
+
+		$this->fields['ref_ext']['visible'] = getDolGlobalInt('MAIN_LIST_SHOW_REF_EXT');
 	}
 
 	/**
diff --git a/htdocs/variants/class/ProductAttribute.class.php b/htdocs/variants/class/ProductAttribute.class.php
index 698d6f211fe..07554b580d3 100644
--- a/htdocs/variants/class/ProductAttribute.class.php
+++ b/htdocs/variants/class/ProductAttribute.class.php
@@ -102,7 +102,7 @@ class ProductAttribute extends CommonObject
 	public $fields = array(
 		'rowid' => array('type' => 'integer', 'label' => 'TechnicalID', 'enabled' => 1, 'position' => 1, 'notnull' => 1, 'visible' => 0, 'noteditable' => 1, 'index' => 1, 'css' => 'left', 'comment' => "Id"),
 		'ref' => array('type' => 'varchar(255)', 'label' => 'Ref', 'visible' => 1, 'enabled' => 1, 'position' => 10, 'notnull' => 1, 'index' => 1, 'searchall' => 1, 'comment' => "Reference of object", 'css' => 'width200'),
-		'ref_ext' => array('type' => 'varchar(255)', 'label' => 'ExternalRef', 'enabled' => 1, 'visible' => 0, 'position' => 20, 'searchall' => 1),
+		'ref_ext' => array('type' => 'varchar(255)', 'label' => 'RefExt', 'enabled' => 1, 'visible' => 0, 'position' => 20, 'searchall' => 1),
 		'label' => array('type' => 'varchar(255)', 'label' => 'Label', 'enabled' => 1, 'position' => 30, 'notnull' => 1, 'visible' => 1, 'searchall' => 1, 'css' => 'minwidth300', 'help' => "", 'showoncombobox' => 1,),
 		'position' => array('type' => 'integer', 'label' => 'Rank', 'enabled' => 1, 'visible' => 0, 'default' => '0', 'position' => 40, 'notnull' => 1,),
 	);