-      data:   { type:        $('#type').val(),
-                id:          $('#id').val(),
-                config:      $('#order_periodic_invoices_config').val(),
-                customer_id: $('#order_customer_id').val(),
-                transdate:   $('#order_transdate').val(),
-                language_id: $('#language_id').val()
+      data:   { type:              $('#type').val(),
+                id:                $('#id').val(),
+                config:            $('#order_periodic_invoices_config').val(),
+                customer_id:       $('#order_customer_id').val(),
+                transdate_as_date: $('#order_transdate_as_date').val(),
+                language_id:       $('#language_id').val()