diff --git a/htdocs/compta/facture/admin/facture_cust_extrafields.php b/htdocs/compta/facture/admin/facture_cust_extrafields.php
new file mode 100644
index 00000000000..d08d5fe0ba8
--- /dev/null
+++ b/htdocs/compta/facture/admin/facture_cust_extrafields.php
@@ -0,0 +1,160 @@
+<?php
+/* Copyright (C) 2001-2002 Rodolphe Quiedeville <rodolphe@quiedeville.org>
+* Copyright (C) 2003 Jean-Louis Bergamo <jlb@j1b.org>
+* Copyright (C) 2004-2011 Laurent Destailleur <eldy@users.sourceforge.net>
+* Copyright (C) 2012 Regis Houssin <regis.houssin@capnetworks.com>
+* Copyright (C) 2013 Jean-Francois FERRY <jfefe@aternatik.fr>
+*
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation; either version 3 of the License, or
+* (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+* \file htdocs/compta/facture/admin/facture_cust_extrafields.php
+* \ingroup invoice
+* \brief Page to setup extra fields of customer invoice
+*/
+
+require '../../../main.inc.php';
+require_once DOL_DOCUMENT_ROOT.'/core/lib/invoice.lib.php';
+require_once DOL_DOCUMENT_ROOT.'/core/class/extrafields.class.php';
+
+$langs->load("companies");
+$langs->load("admin");
+$langs->load("bills");
+
+$extrafields = new ExtraFields($db);
+$form = new Form($db);
+
+// List of supported format
+$tmptype2label=getStaticMember(get_class($extrafields),'type2label');
+$type2label=array('');
+foreach ($tmptype2label as $key => $val) $type2label[$key]=$langs->trans($val);
+
+$action=GETPOST('action', 'alpha');
+$attrname=GETPOST('attrname', 'alpha');
+$elementtype='facture';
+
+if (!$user->admin) accessforbidden();
+
+
+/*
+* Actions
+*/
+
+require DOL_DOCUMENT_ROOT.'/core/admin_extrafields.inc.php';
+
+
+
+/*
+* View
+*/
+
+$textobject=strtolower($langs->transnoentitiesnoconv("BillsCustomers"));
+
+
+llxHeader('',$langs->trans("BillsSetup"));
+
+
+$linkback='<a href="'.DOL_URL_ROOT.'/admin/modules.php">'.$langs->trans("BackToModuleList").'</a>';
+print_fiche_titre($langs->trans("BillsSetup"),$linkback,'setup');
+print '<br>';
+
+$head = invoice_admin_prepare_head(null);
+
+dol_fiche_head($head, 'attributes', $langs->trans("Invoices"), 0, 'invoice');
+
+
+print $langs->trans("DefineHereComplementaryAttributes",$textobject).'<br>'."\n";
+
+dol_htmloutput_errors($mesg);
+
+// Load attribute_label
+$extrafields->fetch_name_optionals_label($elementtype);
+
+print "<table summary=\"listofattributes\" class=\"noborder\" width=\"100%\">";
+
+print '<tr class="liste_titre">';
+print '<td align="center">'.$langs->trans("Position").'</td>';
+print '<td>'.$langs->trans("Label").'</td>';
+print '<td>'.$langs->trans("AttributeCode").'</td>';
+print '<td>'.$langs->trans("Type").'</td>';
+print '<td align="right">'.$langs->trans("Size").'</td>';
+print '<td align="center">'.$langs->trans("Unique").'</td>';
+print '<td align="center">'.$langs->trans("Required").'</td>';
+print '<td width="80">&nbsp;</td>';
+print "</tr>\n";
+
+$var=True;
+foreach($extrafields->attribute_type as $key => $value)
+{
+    $var=!$var;
+    print "<tr ".$bc[$var].">";
+    print "<td>".$extrafields->attribute_pos[$key]."</td>\n";
+    print "<td>".$extrafields->attribute_label[$key]."</td>\n";
+    print "<td>".$key."</td>\n";
+    print "<td>".$type2label[$extrafields->attribute_type[$key]]."</td>\n";
+    print '<td align="right">'.$extrafields->attribute_size[$key]."</td>\n";
+    print '<td align="center">'.yn($extrafields->attribute_unique[$key])."</td>\n";
+    print '<td align="center">'.yn($extrafields->attribute_required[$key])."</td>\n";
+    print '<td align="right"><a href="'.$_SERVER["PHP_SELF"].'?action=edit&attrname='.$key.'">'.img_edit().'</a>';
+    print "&nbsp; <a href=\"".$_SERVER["PHP_SELF"]."?action=delete&attrname=$key\">".img_delete()."</a></td>\n";
+    print "</tr>";
+    // $i++;
+}
+
+print "</table>";
+
+dol_fiche_end();
+
+
+// Buttons
+if ($action != 'create' && $action != 'edit')
+{
+    print '<div class="tabsAction">';
+    print "<a class=\"butAction\" href=\"".$_SERVER["PHP_SELF"]."?action=create\">".$langs->trans("NewAttribute")."</a>";
+    print "</div>";
+}
+
+
+/* ************************************************************************** */
+/* */
+/* Creation d'un champ optionnel
+/* */
+/* ************************************************************************** */
+
+if ($action == 'create')
+{
+    print "<br>";
+    print_titre($langs->trans('NewAttribute'));
+
+    require DOL_DOCUMENT_ROOT.'/core/tpl/admin_extrafields_add.tpl.php';
+}
+
+/* ************************************************************************** */
+/* */
+/* Edition d'un champ optionnel */
+/* */
+/* ************************************************************************** */
+if ($action == 'edit' && ! empty($attrname))
+{
+    print "<br>";
+    print_titre($langs->trans("FieldEdition", $attrname));
+
+    require DOL_DOCUMENT_ROOT.'/core/tpl/admin_extrafields_edit.tpl.php';
+}
+
+llxFooter();
+
+$db->close();
+?>
\ No newline at end of file