diff --git a/htdocs/includes/modules/modComptabilite.class.php b/htdocs/includes/modules/modComptabilite.class.php
index a4abf8d0953..8efd315ba7e 100644
--- a/htdocs/includes/modules/modComptabilite.class.php
+++ b/htdocs/includes/modules/modComptabilite.class.php
@@ -67,6 +67,7 @@ class modComptabilite extends DolibarrModules
     // Dépendances
     $this->depends = array();
     $this->requiredby = array("modFacture");
+    $this->conflictwith = array("modComptabiliteExpert");
 
     // Constantes
     $this->const = array();
diff --git a/htdocs/includes/modules/modComptabiliteExpert.class.php b/htdocs/includes/modules/modComptabiliteExpert.class.php
new file mode 100644
index 00000000000..60bf2fd23cf
--- /dev/null
+++ b/htdocs/includes/modules/modComptabiliteExpert.class.php
@@ -0,0 +1,168 @@
+<?php
+/* Copyright (C) 2003      Rodolphe Quiedeville <rodolphe@quiedeville.org>
+ * Copyright (C) 2004-2005 Laurent Destailleur  <eldy@users.sourceforge.net>
+ * Copyright (C) 2004      Sebastien Di Cintio  <sdicintio@ressource-toi.org>
+ * Copyright (C) 2004      Benoit Mortier       <benoit.mortier@opensides.be>
+ *
+ * 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 2 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * $Id$
+ * $Source$
+ *
+ */
+
+/**     \defgroup   comptabilite_expert     Module comptabilite expert
+        \brief      Module pour inclure des fonctions de comptabilité (gestion de comptes comptables et rapports)
+*/
+
+/**
+        \file       htdocs/includes/modules/modComptabiliteExpert.class.php
+        \ingroup    comptabilite_expert
+        \brief      Fichier de description et activation du module Comptabilite Expert
+*/
+
+include_once "DolibarrModules.class.php";
+
+/**
+        \class      modComptabiliteExpert
+        \brief      Classe de description et activation du module Comptabilite Expert
+*/
+
+class modComptabiliteExpert extends DolibarrModules
+{
+
+   /**
+    *   \brief      Constructeur. Definit les noms, constantes et boites
+    *   \param      DB      handler d'accès base
+    */
+  function modComptabiliteExpert($DB)
+  {
+    $this->db = $DB ;
+    $this->numero = 130 ;
+    
+    $this->family = "financial";
+    $this->name = "ComptabiliteExpert";
+    $this->description = "Gestion expert de comptabilité (doubles parties)";
+
+//    $this->revision = explode(" ","$Revision$");
+//    $this->version = $this->revision[1];
+    $this->version = "development";
+
+    $this->const_name = "MAIN_MODULE_COMPTABILITE_EXPERT";
+    $this->const_config = MAIN_MODULE_COMPTABILITE_EXPERT;
+
+    // Config pages
+    $this->config_page_url = "comptaexpert.php";
+
+    // Dépendances
+    $this->depends = array();
+    $this->requiredby = array("modFacture");
+    $this->conflictwith = array("modComptabilite");
+    
+    // Constantes
+    $this->const = array();
+
+    $this->dirs = array();
+
+    // Boites
+    $this->boxes = array();
+
+    // Permissions
+    $this->rights = array();
+    $this->rights_class = 'compta';
+
+    $this->rights[5][0] = 131;
+    $this->rights[5][1] = 'Lire le plan de compte';
+    $this->rights[5][2] = 'r';
+    $this->rights[5][3] = 1;
+    $this->rights[5][4] = 'plancompte';
+    $this->rights[5][5] = 'lire';
+
+    $this->rights[5][0] = 132;
+    $this->rights[5][1] = 'Créer/modifier un plan de compte';
+    $this->rights[5][2] = 'w';
+    $this->rights[5][3] = 0;
+    $this->rights[5][4] = 'plancompte';
+    $this->rights[5][5] = 'creer';
+
+    $this->rights[5][0] = 133;
+    $this->rights[5][1] = 'Cloturer plan de compte';
+    $this->rights[5][2] = 'w';
+    $this->rights[5][3] = 0;
+    $this->rights[5][4] = 'plancompte';
+    $this->rights[5][5] = 'cloturer';
+
+    $this->rights[1][0] = 141;
+    $this->rights[1][1] = 'Lire les mouvements';
+    $this->rights[1][2] = 'r';
+    $this->rights[1][3] = 1;
+    $this->rights[1][4] = 'mouvements';
+    $this->rights[1][5] = 'lire';
+
+    $this->rights[2][0] = 142;
+    $this->rights[2][1] = 'Créer/modifier les mouvement';
+    $this->rights[2][2] = 'w';
+    $this->rights[2][3] = 0;
+    $this->rights[2][4] = 'mouvements';
+    $this->rights[2][5] = 'creer';
+
+    $this->rights[3][0] = 143;
+    $this->rights[3][1] = 'Supprimer un mouvement';
+    $this->rights[3][2] = 'd';
+    $this->rights[3][3] = 0;
+    $this->rights[3][4] = 'mouvements';
+    $this->rights[3][5] = 'supprimer';
+
+    $this->rights[4][0] = 161;
+    $this->rights[4][1] = 'Lire CA, bilans, résultats, journaux, grands livres';
+    $this->rights[4][2] = 'r';
+    $this->rights[4][3] = 0;
+    $this->rights[4][4] = 'resultat';
+    $this->rights[4][5] = 'lire';
+
+  }
+
+
+   /**
+    *   \brief      Fonction appelée lors de l'activation du module. Insère en base les constantes, boites, permissions du module.
+    *               Définit également les répertoires de données à créer pour ce module.
+    */
+  function init()
+  {
+    global $conf;
+    
+    // Permissions
+    $this->remove();
+
+    // Dir
+    $this->dirs[0] = $conf->compta->dir_output;
+    $this->dirs[1] = $conf->compta->dir_output."/rapport";
+    $this->dirs[2] = $conf->compta->dir_output."/export";
+    
+    return $this->_init($sql);
+  }
+
+  /**
+   *    \brief      Fonction appelée lors de la désactivation d'un module.
+   *                Supprime de la base les constantes, boites et permissions du module.
+   */
+  function remove()
+  {
+    $sql = array();
+
+    return $this->_remove($sql);
+  }
+}
+?>