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GST Registration Cancelled by the Officer — REG-17 and REG-19 Response

What to do when the GST officer cancels your registration suo-motu — understanding the REG-17 show-cause notice, replying in REG-18, and the cancellation order in REG-19, plus how...

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Topic
GST
Published
August 25, 2026
Last updated
Oct 7, 2026
Reading time
4 min
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Last updated: October 2026Applies to: FY 2026-27Verified against: Government sources

Overview

Besides voluntary surrender, the proper officer can cancel a GST registration on their own motion where the law is breached. The process is notice-driven: a REG-17 show-cause notice, a REG-18 reply, and a REG-19 order. Acting promptly on the notice usually saves the registration.

When It Is Required & Legal Basis

Section 29(2) of the CGST Act, 2017 with Rule 22 of the CGST Rules, 2017 empowers suo-motu cancellation where: a regular taxpayer has not filed returns for a continuous period (or a composition taxpayer for a financial year), a voluntarily registered person has not commenced business within six months, registration was obtained by fraud or misstatement, the person contravenes GST provisions or rules, or issues invoices without an actual supply in violation of the Act.

Step-by-Step Process (Your Response)

  1. Read the REG-17 notice. On the portal, view Services → User Services → View Notices and Orders; note the exact grounds and reply deadline.
  2. Cure the default. If the ground is non-filing, file all pending GSTR-1/GSTR-3B and pay tax, interest and late fee.
  3. Draft the reply. Prepare a point-wise explanation with proof of compliance (return ARNs, challans).
  4. File REG-18. Submit the reply in Form GST REG-18 within seven working days with DSC or EVC.
  5. Officer's decision. If satisfied, the officer drops proceedings in Form GST REG-20; if not, the order of cancellation is passed in Form GST REG-19.
  6. Revocation if cancelled. If REG-19 is issued, apply for revocation in Form GST REG-21 within 90 days.

Forms, Attachments & Fees

FormPurposeTimeline
GST REG-17Show-cause notice for cancellation (by officer)Reply within 7 working days
GST REG-18Reply to show-cause noticeWithin 7 working days of REG-17
GST REG-20Order dropping cancellation proceedingsIf reply satisfactory
GST REG-19Order of cancellationIf reply unsatisfactory / no reply
GST REG-21Application for revocationWithin 90 days of REG-19

No fee for filing the reply. Attach return acknowledgements and payment challans as proof of compliance.

Timeline & Due Dates

Reply to REG-17 within seven working days. The officer typically passes REG-19 or REG-20 within 30 days of the reply. For revocation, REG-21 must be filed within 90 days of the cancellation order (the Commissioner may extend by a further period on sufficient cause).

Penalty for Delay / Non-compliance

Ignoring the notice leads to cancellation; supplies made after cancellation without registration can attract tax, interest and penalty. Non-filing of returns that triggered the notice attracts late fees under Section 47 and interest under Section 50, plus a general penalty under Section 125.

Practical Tips

  • Do not miss the seven-day window — the portal disables the reply link after the due date.
  • Fix the underlying default (usually pending returns) before or along with the reply; a bare explanation rarely works.
  • Keep the ARN of every return filed to prove compliance.
  • If cancelled retrospectively, file the final return GSTR-10 in addition to seeking revocation.

Related Services & Guides

Quick recapKey facts & short answers

Key Facts About GST Registration Cancelled

  • Applies in: All states across India, under the relevant central law.
  • Mode: Mostly online via the official government portal.
  • Typical timeline: Ranges from a few days to a few weeks depending on the case.
  • Non-compliance: May attract penalties, interest or late fees.
  • Expert help: TaxClue completes the entire process end to end for you.

Why does an officer cancel GST registration suo-motu?

Common reasons under Section 29(2) include non-filing of returns for a continuous period, registration obtained by fraud/misstatement, non-commencement of business, violation of GST provisions, or issuing invoices without supply.

What is Form GST REG-17?

REG-17 is the show-cause notice issued by the proper officer proposing to cancel your registration, stating the reasons and giving you seven working days to reply.

Do not copy last year's filing without checking whether last year's law still applies.

— TaxClue Compliance Desk

GST Registration Cancelled: a key compliance topic in Indian tax and corporate law that businesses and individuals must understand to remain compliant.

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Vikas Sharma Verified expert Tax & Compliance Expert

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Last reviewed: Live

Disclaimer: This article is for general informational purposes only and does not constitute professional tax, legal or financial advice. Laws, rates and due dates change and can vary by individual case — always verify with the relevant government source (e.g. mca.gov.in, incometax.gov.in) or consult a qualified professional before acting. TaxClue accepts no liability for decisions taken based on this content.

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Questions, answered

Short, direct answers to the 6 questions readers ask most on this topic.

Common reasons under Section 29(2) include non-filing of returns for a continuous period, registration obtained by fraud/misstatement, non-commencement of business, violation of GST provisions, or issuing invoices without supply.

REG-17 is the show-cause notice issued by the proper officer proposing to cancel your registration, stating the reasons and giving you seven working days to reply.

File a reply in Form GST REG-18 on the portal within seven working days, addressing each ground — usually by filing pending returns, paying dues and explaining the default.

REG-19 is the order of cancellation of registration passed by the officer if the reply is unsatisfactory or no reply is filed.

Yes. You can apply for revocation of cancellation in Form GST REG-21 within 90 days of the cancellation order, extendable, after filing all pending returns and clearing dues.

If you do not reply within the time allowed, the officer passes the cancellation order in REG-19, and you will then need to seek revocation to continue business under GST.