Fix for zero price invoice in bmd export

application/Invoice/InvoiceController.php

@@ -580,6 +580,9 @@ XINON GmbH";
             }
 
             $vatrate = (($invoice->total == $invoice->total_gross) ? "0" : "20");
+            if($invoice->total_gross){
+                $vatrate = 20;
+            }
             $vat = $invoice->total_gross - $invoice->total;
             $vat *= -1;
 
@@ -661,4 +664,8 @@ XINON GmbH";
         echo $csv_header."\n".$csv_out;
         exit;
     }
+
+    public function printInvoicesAction() {
+        //$start = $r->
+    }
 }