Electronic ledger payments and input tax credit prioritisation govern use of tax credits and refund treatment under the IGST framework.

The draft IGST provisions require payments by electronic modes to be credited to an electronic cash ledger with the bank credit date deemed the deposit date, and self-assessed input tax credit to be credited to an electronic credit ledger. Ledger balances may be used for payment of tax, interest, penalty and fees under prescribed conditions, with refunds of remaining balances governed by the CGST refund mechanism. Utilisation rules prioritise IGST credit for IGST then CGST/SGST, and CGST/SGST credit for their own heads then IGST. Liabilities must be maintained in a prescribed electronic register and dues discharged in a prescribed sequence from prior-period self-assessed liabilities onward.

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