2025 ActIncome-tax Act, 2025 is in force from 1 April 2026 — every page shows old (1961) & new (2025) section numbers side by side.Income-tax Act, 2025 in force · old & new sections shown
Notice guide · GST notices

GST Registration Cancellation Notice REG-17 (and Suspension REG-31): How to Save Your GSTIN

REG-17 is a show-cause notice proposing cancellation of your GST registration; REG-31 intimates suspension (often for non-filing). Reply quickly — a cancelled GSTIN stops your business.

Updated Nov 2026 Old & new sections
REG-17 replyREG-18 within 7 working days
Common causeReturns not filed for 6 months (3 quarters for composition)
If cancelledApply for revocation in REG-21 within 90 days
LawSection 29 & 30, CGST Act
GST Registration Cancellation Notice REG-17 (and Suspension REG-31): How to Save Your GSTIN
How to read section numbers: s.80C→s.123 means Section 80C of the Income-tax Act, 1961 is now Section 123 of the Income-tax Act, 2025 (in force from 1 April 2026). Returns for FY 2025-26 still use the old numbers; Tax Year 2026-27 onwards uses the new ones. Section Finder

Step by step

  1. 1

    File pending returns

    Clear all GSTR-3B and GSTR-1 defaults first.

  2. 2

    Reply in REG-18

    Explain, attach proof of filing and request dropping proceedings.

  3. 3

    Attend hearing

    If a hearing is fixed, attend online or in person.

  4. 4

    If cancelled

    File REG-21 for revocation within 90 days after filing all returns.

Other grounds

  • Business not functioning at the registered address (after a physical verification)
  • Registration obtained by fraud or wrong facts
  • ITC availed in violation of rules
  • Mismatch between GSTR-1 and GSTR-3B over several periods

Common mistakes

  • Ignoring REG-31 suspension
  • Letting the 90-day revocation window lapse

Frequently asked questions

No taxable supply should be made while registration is suspended; e-way bills and invoices are affected.

Last reviewed on 11 November 2026 by Vinay Jaglan, VJ & Associates. Law and portal screens change — verify before acting, or ask the office.

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