Index: modules/in-commerce/units/orders/orders_event_handler.php
===================================================================
--- modules/in-commerce/units/orders/orders_event_handler.php
+++ modules/in-commerce/units/orders/orders_event_handler.php
@@ -2847,9 +2847,15 @@
 			$sub_order = $this->Application->recallObject('ord.-sub'.$next_sub_number, 'ord');
 			/* @var $sub_order OrdersItem */
 
-			if ($this->UseTempTables($event) && $next_sub_number == 0) {
+			if ( $this->UseTempTables($event) && $next_sub_number == 0 ) {
 				$sub_order =& $order;
 			}
+			else {
+				foreach ( $order->GetFieldValues() as $field => $value ) {
+					$sub_order->SetOriginalField($field, $value);
+				}
+			}
+
 			$sub_order->SetDBFieldsFromHash($order->GetFieldValues());
 			$sub_order->SetDBField('SubNumber', $next_sub_number);
 			$sub_order->SetDBField('SubTotal', $sub_order_data['TotalAmount']);