$invoice_no = write_customer_trans(10, $trans_no, $invoice->customer_id,
$invoice->Branch, $date_, $invoice->reference, $items_total, 0,
$items_added_tax, $invoice->freight_cost, $freight_added_tax,
- $invoice->default_sales_type, $sales_order, $delivery_no,
+ $invoice->sales_type, $sales_order, $delivery_no,
$invoice->ship_via, $invoice->due_date);
if ($trans_no == 0) {