Compute Month 1 and Month 2 cash tax payments in Challan PMT-06 under Fixed Sum Method (35%) versus Self-Assessment Method for QRMP taxpayers.
Net tax deposited through cash ledger (Table 6.1 of previous GSTR-3B).
The Quarterly Return Monthly Payment (QRMP) scheme allows eligible small taxpayers with an aggregate annual turnover of up to ₹5 Crores to file GSTR-1 and GSTR-3B on a quarterly basis while depositing monthly cash tax liability by the 25th of the subsequent month via Form GST PMT-06.
If Preceding Return was Quarterly: Deposit 35% of total tax paid in cash in the preceding quarter's GSTR-3B.
If Preceding Return was Monthly: Deposit 100% of tax paid in cash in the preceding month's GSTR-3B.
Key Advantage: Complete immunity from Section 50 interest even if quarterly final tax exceeds deposited sum.
Taxpayers manually compute actual outward tax liability for Month 1 / Month 2, subtract eligible ITC from GSTR-2B and available cash ledger balances, and deposit the exact net liability.
Interest Risk: If tax deposited under SAM is short of actual liability, interest at 18% p.a. is payable from the 26th till the date of payment.
| Feature | Fixed Sum Method (FSM) | Self-Assessment Method (SAM) |
|---|---|---|
| Challan Generation | Auto-generated 35% pre-filled challan | Manual calculation based on monthly books & 2B |
| Interest Liability | Zero interest if 35% deposited on time | 18% Interest if actual liability is under-deposited |
| When Nil Challan Required? | No deposit if balance in cash/credit ledger is sufficient | No deposit if ITC/cash covers monthly outward tax |
| Due Date | 25th of subsequent month | 25th of subsequent month |
No. If the tax liability is Nil or if the taxpayer has sufficient balance in the Electronic Cash or Credit ledger, filing PMT-06 is not required for that month.
Yes. Taxpayers can choose the Fixed Sum Method for Month 1 and switch to Self-Assessment for Month 2 (or vice versa) within the same quarter.
At the end of the quarter, the total outward liability for all 3 months is offset against total 3-month ITC. The cash deposited in Month 1 and Month 2 via PMT-06 is automatically adjusted against the final cash tax payable.