{
$invoice_no = key($supp_trans->src_docs);
$invoice_alloc_balance = get_supp_trans_allocation_balance(ST_SUPPINVOICE, $invoice_no);
{
$invoice_no = key($supp_trans->src_docs);
$invoice_alloc_balance = get_supp_trans_allocation_balance(ST_SUPPINVOICE, $invoice_no);