GST refund payment advice form prescribes refund breakdown and bank account details for sanctioning refunds. Payment advice FORM GST RFD 05 transmits refund sanction orders to the Pay and Accounts Office/Treasury/RBI/Bank and requires the sanctioned refund amount with a detailed breakdown by Integrated Tax, Central Tax, State/UT Tax, Cess and separate columns for Tax, Interest, Penalty, Fee and Others (TIPFO), includes interest on delayed refund and a consolidated total, and mandates bank account details (account number, bank/branch name and address, IFSC, MICR) plus taxpayer identity and authorized signatory with digital signature.