diff --git a/htdocs/comm/propal/class/api_proposals.class.php b/htdocs/comm/propal/class/api_proposals.class.php
index adf1140e004..160f6999c40 100644
--- a/htdocs/comm/propal/class/api_proposals.class.php
+++ b/htdocs/comm/propal/class/api_proposals.class.php
@@ -290,8 +290,9 @@ class Proposals extends DolibarrApi
       if ($updateRes > 0) {
         return $updateRes;
 	  }
-
-	  return false;
+		else {
+			throw new RestException(400, $this->propal->error);
+		}
 	}
 
 	/**
@@ -422,6 +423,19 @@ class Proposals extends DolibarrApi
 			$this->propal->$field = $value;
 		}
 
+		// update end of validity date
+		if (empty($this->propal->fin_validite) && !empty($this->propal->duree_validite) && !empty($this->propal->date_creation))
+		{
+			$this->propal->fin_validite = $this->propal->date_creation + ($this->propal->duree_validite * 24 * 3600);
+		}
+		if (!empty($this->propal->fin_validite))
+		{
+			if($this->propal->set_echeance(DolibarrApiAccess::$user, $this->propal->fin_validite)<0)
+			{
+				throw new RestException(500, $this->propal->error);
+			}
+		}
+
 		if ($this->propal->update(DolibarrApiAccess::$user) > 0)
 		{
 			return $this->get($id);
@@ -466,6 +480,51 @@ class Proposals extends DolibarrApi
 
 	}
 
+	/**
+	* Set a proposal to draft
+	*
+	* @param   int     $id             Order ID
+	*
+	* @url POST    {id}/settodraft
+	*
+	* @return  array
+	*/
+	function settodraft($id)
+	{
+		if(! DolibarrApiAccess::$user->rights->propal->creer) {
+			throw new RestException(401);
+		}
+		$result = $this->propal->fetch($id);
+		if( ! $result ) {
+			throw new RestException(404, 'Proposal not found');
+		}
+
+		if( ! DolibarrApi::_checkAccessToResource('propal',$this->propal->id)) {
+			throw new RestException(401, 'Access not allowed for login '.DolibarrApiAccess::$user->login);
+		}
+
+		$result = $this->propal->set_draft(DolibarrApiAccess::$user);
+		if ($result == 0) {
+			throw new RestException(304, 'Nothing done. May be object is already draft');
+		}
+		if ($result < 0) {
+			throw new RestException(500, 'Error : '.$this->propal->error);
+		}
+
+                $result = $this->propal->fetch($id);
+		if( ! $result ) {
+			throw new RestException(404, 'Proposal not found');
+		}
+
+		if( ! DolibarrApi::_checkAccessToResource('propal',$this->propal->id)) {
+			throw new RestException(401, 'Access not allowed for login '.DolibarrApiAccess::$user->login);
+		}
+
+		$this->propal->fetchObjectLinked();
+		return $this->_cleanObjectDatas($this->propal);
+	}
+
+
 	/**
 	 * Validate a commercial proposal
 	 *
diff --git a/htdocs/commande/class/api_orders.class.php b/htdocs/commande/class/api_orders.class.php
index 91ef86670aa..c15befe46e2 100644
--- a/htdocs/commande/class/api_orders.class.php
+++ b/htdocs/commande/class/api_orders.class.php
@@ -418,6 +418,15 @@ class Orders extends DolibarrApi
 		    if ($this->commande->availability($this->commande->availability_id) < 0)
 			throw new RestException(400, 'Error while updating availability');
 		}
+	// update bank account
+        if(!empty($this->commande->fk_account))
+        {
+                if($this->commande->setBankAccount($this->commande->fk_account) == 0)
+                {
+                        throw new RestException(400,$this->commande->error);
+                }
+        }
+
 
         if ($this->commande->update(DolibarrApiAccess::$user) > 0)
         {
@@ -515,6 +524,80 @@ class Orders extends DolibarrApi
         return $this->_cleanObjectDatas($this->commande);
     }
 
+     /**
+     *  Tag the order as validated (opened)
+     *
+     *  Function used when order is reopend after being closed.
+     *
+     * @param int   $id       Id of the order
+     *
+     * @url     POST {id}/reopen
+     *
+     * @return int
+     * 
+     * @throws 304
+     * @throws 400
+     * @throws 401
+     * @throws 404
+     * @throws 405
+     */
+    function reopen($id) {
+
+        if(! DolibarrApiAccess::$user->rights->commande->creer) {
+                throw new RestException(401);
+        }     
+        if(empty($id)) {
+                throw new RestException(400, 'Order ID is mandatory');
+        }
+        $result = $this->commande->fetch($id);
+        if( ! $result ) {
+                throw new RestException(404, 'Order not found');
+        }
+
+        $result = $this->commande->set_reopen(DolibarrApiAccess::$user);
+        if( $result < 0) {
+                throw new RestException(405, $this->commande->error);
+        }else if( $result == 0) {
+                throw new RestException(304);
+        }
+        return $result;
+    }
+
+
+    /**
+     *  Classify the order as invoiced
+     *
+     * @param int   $id           Id of the order
+     *
+     * @url     POST {id}/setinvoiced
+     *
+     * @return int
+     * 
+     * @throws 400
+     * @throws 401
+     * @throws 404
+     * @throws 405
+     */
+    function setinvoiced($id) {
+
+        if(! DolibarrApiAccess::$user->rights->commande->creer) {
+                throw new RestException(401);
+        }     
+        if(empty($id)) {
+                throw new RestException(400, 'Order ID is mandatory');
+        }
+        $result = $this->commande->fetch($id);
+        if( ! $result ) {
+                throw new RestException(404, 'Order not found');
+        }
+
+        $result = $this->commande->classifyBilled(DolibarrApiAccess::$user);
+        if( $result < 0) {
+                throw new RestException(400, $this->commande->error);
+        }
+        return $result;
+    }
+
     /**
      * Close an order (Classify it as "Delivered")
      *
@@ -601,6 +684,49 @@ class Orders extends DolibarrApi
     }
 
 
+     /**
+     * Create an order using an existing proposal.
+     *
+     *
+     * @param int   $proposalid       Id of the proposal
+     *
+     * @url     POST /createfromproposal/{proposalid}
+     *
+     * @return int
+     * @throws 400
+     * @throws 401
+     * @throws 404
+     * @throws 405
+     */
+    function createOrderFromProposal($proposalid) {
+
+        require_once DOL_DOCUMENT_ROOT . '/comm/propal/class/propal.class.php';
+
+        if(! DolibarrApiAccess::$user->rights->propal->lire) {
+                throw new RestException(401);
+        }
+        if(! DolibarrApiAccess::$user->rights->commande->creer) {
+                throw new RestException(401);
+        }
+        if(empty($proposalid)) {
+                throw new RestException(400, 'Proposal ID is mandatory');
+        }
+
+        $propal = new Propal($this->db);
+        $result = $propal->fetch($proposalid);
+        if( ! $result ) {
+                throw new RestException(404, 'Proposal not found');
+        }
+
+        $result = $this->commande->createFromProposal($propal, DolibarrApiAccess::$user);
+        if( $result < 0) {
+                throw new RestException(405, $this->commande->error);
+        }
+        $this->commande->fetchObjectLinked();
+        return $this->_cleanObjectDatas($this->commande);
+    }
+
+
     /**
      * Clean sensible object datas
      *
diff --git a/htdocs/compta/facture/class/api_invoices.class.php b/htdocs/compta/facture/class/api_invoices.class.php
index eccc537b3b3..e6a2be07184 100644
--- a/htdocs/compta/facture/class/api_invoices.class.php
+++ b/htdocs/compta/facture/class/api_invoices.class.php
@@ -217,6 +217,48 @@ class Invoices extends DolibarrApi
         return $this->invoice->id;
     }
 
+     /**
+     * Create an invoice using an existing order.
+     *
+     *
+     * @param int   $orderid       Id of the order
+     *
+     * @url     POST /createfromorder/{orderid}
+     *
+     * @return int
+     * @throws 400
+     * @throws 401
+     * @throws 404
+     * @throws 405
+     */
+    function createInvoiceFromOrder($orderid) {
+
+        require_once DOL_DOCUMENT_ROOT . '/commande/class/commande.class.php';
+
+        if(! DolibarrApiAccess::$user->rights->commande->lire) {
+                throw new RestException(401);
+        }
+        if(! DolibarrApiAccess::$user->rights->facture->creer) {
+                throw new RestException(401);
+        }        
+        if(empty($orderid)) {
+                throw new RestException(400, 'Order ID is mandatory');
+        }
+
+        $order = new Commande($this->db);
+        $result = $order->fetch($orderid);
+        if( ! $result ) {
+                throw new RestException(404, 'Order not found');
+        }
+
+        $result = $this->invoice->createFromOrder($order, DolibarrApiAccess::$user);
+        if( $result < 0) {
+                throw new RestException(405, $this->invoice->error);
+        }
+        $this->invoice->fetchObjectLinked();
+        return $this->_cleanObjectDatas($this->invoice);
+    }
+
     /**
      * Get lines of an invoice
      *
@@ -380,6 +422,15 @@ class Invoices extends DolibarrApi
             $this->invoice->$field = $value;
         }
 
+	// update bank account
+	if(!empty($this->invoice->fk_account))
+	{
+		if($this->invoice->setBankAccount($this->invoice->fk_account) == 0)
+		{
+			throw new RestException(400,$this->invoice->error);
+		}
+	}
+
         if($this->invoice->update($id, DolibarrApiAccess::$user))
             return $this->get ($id);
 
@@ -430,6 +481,11 @@ class Invoices extends DolibarrApi
      * @url     POST {id}/lines
      *
      * @return int
+     *
+     * @throws 200
+     * @throws 401
+     * @throws 404
+     * @throws 400
      */
     function postLine($id, $request_data = NULL) {
       if(! DolibarrApiAccess::$user->rights->facture->creer) {
@@ -452,6 +508,10 @@ class Invoices extends DolibarrApi
               $request_data->fk_parent_line = 0;
       }
 
+      // calculate pa_ht  
+      $marginInfos = getMarginInfos($request_data->subprice, $request_data->remise_percent, $request_data->tva_tx, $request_data->localtax1_tx, $request_data->localtax2_tx, $request_data->fk_fournprice, $request_data->pa_ht);
+      $pa_ht = $marginInfos[0];
+	    
       $updateRes = $this->invoice->addline(
                               $request_data->desc,
                               $request_data->subprice,
@@ -475,7 +535,7 @@ class Invoices extends DolibarrApi
                               $id,
                               $request_data->fk_parent_line,
                               $request_data->fk_fournprice,
-                              $request_data->pa_ht,
+                              $pa_ht,
                               $request_data->label,
                               $request_data->array_options,
                               $request_data->situation_percent,
@@ -483,11 +543,11 @@ class Invoices extends DolibarrApi
                               $request_data->fk_unit
       );
 
-      if ($updateRes > 0) {
-        return $updateRes;
-
+      if ($updateRes < 0) {
+	throw new RestException(400, 'Unable to insert the new line. Check your inputs. '.$this->invoice->error);
       }
-      throw new RestException(400, 'Unable to insert the new line. Check your inputs.');
+
+      return $updateRes;
     }
 
     /**