diff --git a/htdocs/contrat/card.php b/htdocs/contrat/card.php
index c40e9ab677d..eda8b600b24 100644
--- a/htdocs/contrat/card.php
+++ b/htdocs/contrat/card.php
@@ -699,6 +699,11 @@ else if ($action == 'confirm_valid' && $confirm == 'yes' && $user->rights->contr
     $result = $object->validate($user);
 }
 
+else if ($action == 'reopen' && $user->rights->contrat->creer)
+{
+    $result = $object->reopen($user);
+}
+
 // Close all lines
 else if ($action == 'confirm_close' && $confirm == 'yes' && $user->rights->contrat->creer)
 {
@@ -1839,7 +1844,12 @@ else
                 if ($user->rights->contrat->creer) print '<div class="inline-block divButAction"><a class="butAction" href="'.$_SERVER["PHP_SELF"].'?id='.$object->id.'&amp;action=valid">'.$langs->trans("Validate").'</a></div>';
                 else print '<div class="inline-block divButAction"><a class="butActionRefused" href="#" title="'.$langs->trans("NotEnoughPermissions").'">'.$langs->trans("Validate").'</a></div>';
             }
-
+            if ($object->statut == 1 && $nbofservices)
+            {
+                if ($user->rights->contrat->creer) print '<div class="inline-block divButAction"><a class="butAction" href="'.$_SERVER["PHP_SELF"].'?id='.$object->id.'&amp;action=reopen">'.$langs->trans("Modify").'</a></div>';
+                else print '<div class="inline-block divButAction"><a class="butActionRefused" href="#" title="'.$langs->trans("NotEnoughPermissions").'">'.$langs->trans("Modify").'</a></div>';
+            }
+            
             if (! empty($conf->facture->enabled) && $object->statut > 0 && $object->nbofservicesclosed < $nbofservices)
             {
                 $langs->load("bills");
@@ -1899,6 +1909,12 @@ else
 
         print '</div><div class="fichehalfright"><div class="ficheaddleft">';
 
+		// List of actions on element
+		include_once DOL_DOCUMENT_ROOT . '/core/class/html.formactions.class.php';
+		$formactions = new FormActions($db);
+		$somethingshown = $formactions->showactions($object, 'contract', $socid);
+        
+        
         print '</div></div></div>';
     }
 }
diff --git a/htdocs/contrat/class/contrat.class.php b/htdocs/contrat/class/contrat.class.php
index bb6ca1af9ff..8f56ef532ef 100644
--- a/htdocs/contrat/class/contrat.class.php
+++ b/htdocs/contrat/class/contrat.class.php
@@ -499,7 +499,71 @@ class Contrat extends CommonObject
 
 	}
 
+	/**
+	 * Unvalidate a contract
+	 *
+	 * @param	User	$user      		Objet User
+     * @param	int		$notrigger		1=Does not execute triggers, 0=execute triggers
+	 * @return	int						<0 if KO, >0 if OK
+	 */
+	function reopen($user, $notrigger=0)
+	{
+		require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
+		global $langs, $conf;
 
+		$now=dol_now();
+
+		$error=0;
+		dol_syslog(get_class($this).'::reopen user='.$user->id);
+
+		$this->db->begin();
+
+		$this->fetch_thirdparty();
+
+		$sql = "UPDATE ".MAIN_DB_PREFIX."contrat SET statut = 0";
+		//$sql.= ", fk_user_valid = null, date_valid = null";
+		$sql .= " WHERE rowid = ".$this->id . " AND statut = 1";
+
+		dol_syslog(get_class($this)."::validate", LOG_DEBUG);
+		$resql = $this->db->query($sql);
+		if (! $resql)
+		{
+			dol_print_error($this->db);
+			$error++;
+			$this->error=$this->db->lasterror();
+		}
+
+		// Trigger calls
+		if (! $error && ! $notrigger)
+		{
+			// Call trigger
+			$result=$this->call_trigger('CONTRACT_REOPEN',$user);
+			if ($result < 0) {
+				$error++;
+			}
+			// End call triggers
+		}
+
+		// Set new ref and define current statut
+		if (! $error)
+		{
+			$this->statut=0;
+			$this->brouillon=1;
+			$this->date_validation=$now;
+		}
+
+		if (! $error)
+		{
+			$this->db->commit();
+			return 1;
+		}
+		else
+		{
+			$this->db->rollback();
+			return -1;
+		}
+	}
+	
 	/**
 	 *    Load a contract from database
 	 *