GST Late Fee 2026 FAQs
Can I pay late fees using my ITC balance?
No. Late fees and Section 50 interest MUST be paid in cash through GST challan (PMT-06). Even if you have ₹5 lakh in your ITC ledger, you cannot use a single rupee against late fees. The GST portal auto-calculates the late fee based on filing date and blocks return submission until paid in cash.
What if I paid tax via challan on time but filed the return late?
If you deposited the tax amount in the electronic cash ledger by the original due date (via PMT-06 challan), but the return itself was filed late: no Section 50 interest is payable on the amount that was in the cash ledger from the due date and is debited when the return is filed — proviso to Rule 88B(1) inserted by Notification 12/2024-CT (10 July 2024). However, Section 47 late fee for the return delay still applies. Keep the PMT-06 challan and cash-ledger extract; interest still runs on any part not in the ledger by the due date.
How is Section 50 interest calculated — gross tax or net cash liability?
Per retrospective amendment effective 1 July 2017: Interest under Section 50 is calculated on NET CASH LIABILITY only, not on gross tax liability.
Formula: Net Cash Liability = Total Output Tax − Eligible ITC
Example: Output tax ₹10L, ITC ₹8L. Net cash liability = ₹2L. Interest @ 18% applies only on ₹2L, not ₹10L. This is a massive relief and the litigation is mostly settled in favour of taxpayers.
What's the 3-year filing bar enforced from July 2025?
Per Finance Act 2023 (in force 1 October 2023; GSTN began blocking such returns from the July 2025 tax period): GSTR-1, GSTR-3B, GSTR-4, GSTR-7, GSTR-9 cannot be filed after 3 years from the original due date. So a return for July 2022 due 20 August 2022 cannot be filed after 20 August 2025.
Late fees and interest continue to accrue during this window. Continued non-filing for 2 consecutive months also triggers: (a) GSTIN suspension, (b) Rule 138E e-way bill restrictions, (c) Section 29 cancellation proceedings.
NIL return: how is it different from regular return for late fees?
A return is "NIL" when there's no outward supply AND no tax payable for the period. NIL returns have a separate, lower late fee structure:
Daily rate: ₹20/day (₹10 CGST + ₹10 SGST)
Maximum cap: ₹500 per return
Important: Even if you had no business activity, you MUST file the NIL return on time. Just having ITC carried forward doesn't make it a regular return. The system auto-detects based on Table 3.1 (outward supplies) and Table 6 (tax payable) being zero.
QRMP scheme: how do due dates work for quarterly filers?
QRMP (Quarterly Return, Monthly Payment) scheme is for taxpayers with AATO up to ₹5 Crore. Due dates depend on principal place of business:
Category A states (Due 22nd): Maharashtra, Gujarat, Karnataka, MP, Chhattisgarh, Kerala, Tamil Nadu, Telangana, Andhra Pradesh, Goa + UTs (Daman & Diu, Dadra, Puducherry, Andaman & Nicobar, Lakshadweep)
Category B states (Due 24th): All remaining states including UP, Bihar, West Bengal, Punjab, Haryana, Rajasthan, Delhi, J&K, North-Eastern states.
Monthly tax payment via PMT-06 by 25th of each month still required. Only return filing is quarterly.
What's the late fee for GSTR-9C (Reconciliation Statement)?
GSTR-9C is mandatory for AATO > ₹5 Crore (self-certified). Per Circular 246/03/2025-GST (30 Jan 2025): If you file GSTR-9 on time but GSTR-9C late, late fee applies until the full return (9 + 9C together) is submitted.
Late fee structure mirrors GSTR-9 turnover slabs. Notification 08/2025-CT (Jan 2025) provided a one-time waiver of excess fees for FY 2017-18 to 2022-23 if filed by 31 March 2025.
GSTR-10: what is the late fee and why file it promptly?
GSTR-10 (Final Return) must be filed within 3 months of the date of cancellation or the cancellation order, whichever is later. The late fee is ₹200/day but, like other returns under Section 47(1), it is capped at ₹10,000 (₹5,000 CGST + ₹5,000 SGST).
Why it still matters: if GSTR-10 is not filed, the officer issues a notice u/s 46 and can pass a best-judgement assessment u/s 62, which is usually far larger than the fee, and an unfiled final return can hold up a fresh registration on the same PAN. If your registration has been cancelled, file GSTR-10 promptly.
What changes under GST 2.0 (effective 22 September 2025)?
GST 2.0 implemented a simplified 4-slab structure (0%/5%/18%/40%) effective 22 September 2025. Return filing late fees and interest rules are UNCHANGED under GST 2.0 — Sections 47 and 50 of CGST Act 2017 continue to apply. The Income Tax Act 2025 (effective 1 April 2026) similarly does not affect GST law. Only rate slabs and HSN classifications changed.
How to use GST amnesty schemes to reduce historical late fees?
Government periodically announces amnesty schemes to clear backlogs:
Notification 07/2023-CT: Waived excess late fees for GSTR-9 (FY 2017-18 to 2021-22) if filed between Apr-Jun 2023, capped at ₹20,000.
Notification 08/2025-CT: Waived excess GSTR-9C fees for FY 2017-18 to 2022-23 if filed by 31 March 2025.
Current status: check for any live late-fee waiver before filing old returns; none is built into this calculator. Watch
cbic-gst.gov.in for new notifications. Our blog covers each amnesty in detail when announced.
