diff --git a/htdocs/compta/casoc.php3 b/htdocs/compta/casoc.php3
index 2df4f640eaa..b8b0c9404e7 100644
--- a/htdocs/compta/casoc.php3
+++ b/htdocs/compta/casoc.php3
@@ -1,8 +1,5 @@
 <?PHP
-/* Copyright (C) 2001-2002 Rodolphe Quiedeville <rodolphe@quiedeville.org>
- *
- * $Id$
- * $Source$
+/* Copyright (C) 2001-2003 Rodolphe Quiedeville <rodolphe@quiedeville.org>
  *
  * 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
@@ -18,9 +15,22 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  *
+ * $Id$
+ * $Source$
+ *
  */
 require("./pre.inc.php3");
 
+/*
+ * Sécurité accés client
+ */
+if ($user->societe_id > 0) 
+{
+  accessforbidden();
+}
+/*
+ *
+ */
 llxHeader();
 
 $db = new Db();