Creating Invoices for the Supply of GST Applicable Services

To supply services in the GST regime, you must create an invoice using the standard Customer Ledger Inquiry program (P03B2002). When you create an invoice, the system checks whether the Apply GST processing option for the PO - Standard Invoice Entry P03B11 program (P75I03B1) is set to apply GST. If the processing option is set to apply GST, the system requires you to associate the applicable SAC value (that determines the service tax rate) and the GST rule to the transaction. The system saves this information in the F03B11 GST Tag File table (F75I837T). You can update the GST Rule and SAC value by clicking Regional Info on the Row menu of the Customer Ledger Inquiry form. However, you cannot update these values after GST is calculated for the invoice.

You can also set the system to compute the GST after invoice creation. If you set up the system accordingly, the Calculate GST for A/R Invoices program (R75I813) is launched after you create the invoice.