$doc->trans_no = 0;
$doc->document_date = $date;
- $doc->due_date = get_invoice_duedate($doc->payment, $doc->document_date);
+ $doc->due_date = get_payment_due_date($doc->payment, $doc->document_date);
$doc->reference = $Refs->get_next($doc->trans_type, null, array('customer' => $customer_id, 'branch' => $branch_id,
'date' => $date));