- update_supp_trans_allocation(20, $invoice_no, $allocate_amount);
- update_supp_trans_allocation(21, $invoice_id, $allocate_amount); // ***
- add_supp_allocation($allocate_amount, 21, $invoice_id, 20, $invoice_no,
+ update_supp_trans_allocation(ST_SUPPINVOICE, $invoice_no, $allocate_amount);
+ update_supp_trans_allocation(ST_SUPPCREDIT, $invoice_id, $allocate_amount); // ***
+ add_supp_allocation($allocate_amount, ST_SUPPCREDIT, $invoice_id, ST_SUPPINVOICE, $invoice_no,