diff --git a/htdocs/commande/fiche.php b/htdocs/commande/fiche.php
index 7da88461ee6..43d4a52b1ae 100644
--- a/htdocs/commande/fiche.php
+++ b/htdocs/commande/fiche.php
@@ -738,6 +738,11 @@ else if ($action == 'updateligne' && $user->rights->commande->creer && $_POST['s
         $mesg = '<div class="error">'.$langs->trans("ErrorFieldRequired",$langs->transnoentitiesnoconv("Type")).'</div>';
         $result = -1 ;
     }
+
+    // Define special_code for special lines
+    $special_code=0;
+    if (empty($_POST['qty'])) $special_code=3;
+
     // Check minimum price
     if(! empty($_POST['productid']))
     {
diff --git a/htdocs/compta/facture.php b/htdocs/compta/facture.php
index 41e9c6abf01..a0c7591cc34 100644
--- a/htdocs/compta/facture.php
+++ b/htdocs/compta/facture.php
@@ -980,7 +980,11 @@ else if (($action == 'addline' || $action == 'addline_predef') && $user->rights-
 
         $price_base_type = 'HT';
 
-        // Ecrase $pu par celui du produit
+	    // Define special_code for special lines
+	    $special_code=0;
+	    //if (empty($_POST['qty'])) $special_code=3;	// Options should not exists on invoices
+
+    	// Ecrase $pu par celui du produit
         // Ecrase $desc par celui du produit
         // Ecrase $txtva par celui du produit
         // Ecrase $base_price_type par celui du produit
@@ -1099,7 +1103,7 @@ else if (($action == 'addline' || $action == 'addline_predef') && $user->rights-
                     $pu_ttc,
                     $type,
                     -1,
-                    0,
+                    $special_code,
                     '',
                     0,
                     GETPOST('fk_parent_line')
@@ -1171,6 +1175,11 @@ else if ($action == 'updateligne' && $user->rights->facture->creer && $_POST['sa
         $mesg = '<div class="error">'.$langs->trans("ErrorFieldRequired",$langs->transnoentitiesnoconv("Type")).'</div>';
         $result = -1 ;
     }
+
+    // Define special_code for special lines
+    $special_code=0;
+    //if (empty($_POST['qty'])) $special_code=3;	// Option should not exists onto invoices
+
     // Check minimum price
     if (GETPOST('productid'))
     {
diff --git a/htdocs/compta/facture/class/facture.class.php b/htdocs/compta/facture/class/facture.class.php
index 15c05c36ea7..032f49848e8 100644
--- a/htdocs/compta/facture/class/facture.class.php
+++ b/htdocs/compta/facture/class/facture.class.php
@@ -2017,9 +2017,10 @@ class Facture extends CommonObject
      * 		@param		int			$type				Type of line (0=product, 1=service)
      * 		@param		int			$fk_parent_line		???
      * 		@param		int			$skip_update_total	???
+     *      @param		int			$special_code		Special code
      *      @return    	int             				< 0 if KO, > 0 if OK
      */
-    function updateline($rowid, $desc, $pu, $qty, $remise_percent, $date_start, $date_end, $txtva, $txlocaltax1=0, $txlocaltax2=0, $price_base_type='HT', $info_bits=0, $type=0, $fk_parent_line=0, $skip_update_total=0)
+    function updateline($rowid, $desc, $pu, $qty, $remise_percent, $date_start, $date_end, $txtva, $txlocaltax1=0, $txlocaltax2=0, $price_base_type='HT', $info_bits=0, $type=0, $fk_parent_line=0, $skip_update_total=0, $special_code=0)
     {
         include_once(DOL_DOCUMENT_ROOT.'/core/lib/price.lib.php');
 
@@ -2100,6 +2101,7 @@ class Facture extends CommonObject
             $this->line->product_type		= $type;
             $this->line->fk_parent_line		= $fk_parent_line;
             $this->line->skip_update_total	= $skip_update_total;
+            $this->line->special_code		= $special_code;
 
             // A ne plus utiliser
             //$this->line->price=$price;
@@ -3632,6 +3634,7 @@ class FactureLigne
 		//if (empty($this->remise)) $this->remise=0;
 		if (empty($this->remise_percent)) $this->remise_percent=0;
 		if (empty($this->info_bits)) $this->info_bits=0;
+		if (empty($this->special_code)) $this->special_code=0;
 		if (empty($this->product_type)) $this->product_type=0;
 		if (empty($this->fk_parent_line)) $this->fk_parent_line=0;
 
@@ -3659,6 +3662,7 @@ class FactureLigne
         else { $sql.=',date_end=null'; }
         $sql.= ",product_type=".$this->product_type;
         $sql.= ",info_bits='".$this->info_bits."'";
+        $sql.= ",special_code='".$this->special_code."'";
         if (empty($this->skip_update_total))
         {
         	$sql.= ",total_ht=".price2num($this->total_ht)."";