Skip to main content
🛡️Independent Financial Information & Expert Connection Platform
GST Hub
Updated: 15th August 2026Income-tax Act, 2025 (TY 2026-27)

GST Revocation Application (REG-21): Step-by-Step Process to Restore GSTIN

रद्द जीएसटी नंबर पुनः चालू करने की प्रक्रिया (REG-21)

Comprehensive guide to restoring a cancelled GST number under Section 30 of the CGST Act: filing Form GST REG-21, clearing all overdue GSTR-3B/1 returns, handling officer queries in Form REG-23, and obtaining revocation order in Form REG-22.

Written by: Author Profile

Chartered Accountancy Review PanelSenior Direct Tax Review Desk

Reviewed & Fact-Checked by: Technical Review Panel

Tax Litigation & Legal Review PanelTax Appeal & Procedure Review Desk

Published: 1st April 2026Last Updated: 15th August 2026Last Reviewed: 15th August 2026

Key Statutory Highlights (FY 2026-27)

Revocation application in Form GST REG-21 must be filed within 90 days from the date of service of the cancellation order (extendable up to a further 180 days by Commissioner).
All pending returns prior to cancellation date must be filed and all tax, interest, and late fees must be fully paid.
If the officer issues a notice in Form REG-23, reply in Form REG-24 within 7 working days.
Upon satisfaction, the Proper Officer passes a revocation order in Form GST REG-22, instantly restoring active GSTIN status.

Who is Eligible & When Does it Apply?

Applicability #1

Taxpayers whose GST registration was cancelled suo-moto by the tax officer due to non-filing of returns.

Step-by-Step Procedure & Compliance Roadmap

1

File All Pending GST Returns

Log in and file all overdue GSTR-1 and GSTR-3B returns with applicable interest and late fees.

2

Submit Form GST REG-21 Online

Go to Services -> Registration -> Application for Revocation of Cancelled Registration.

3

Provide Supporting Reasons & Documents

State genuine grounds for non-compliance and upload payment challan proofs.

4

Officer Review & Order in Form REG-22

Proper officer verifies compliance and restores GSTIN within 30 days.

Mandatory Documents Checklist

Pending return filing challans, Reason for delay explanation letter, Bank statements, Identity proof

Common Mistakes & Compliance Risks to Avoid

Filing REG-21 without first filing all pending returns and paying overdue tax liabilities.

Frequently Asked Questions

Can voluntary cancellation by taxpayer be revoked via REG-21?

No. Revocation under Section 30 applies ONLY to suo-moto cancellations initiated by the tax department. Voluntary cancellations cannot be revoked; a new GST registration must be applied for.

Interactive Tax Calculators
Ask FinSetu Mitra about GST Revocation Application (REG-21): Step-by-Step Process to Restore GSTIN

Need clarification on this tax topic? Ask our bilingual AI Guide for instant conceptual guidance.

Connect with a GST Expert

Need filing assistance or personalized case representation? Connect with a qualified active professional.

🛡️ Educational Disclaimer: FinSetu India is an independent educational guidance and calculation platform. Content is published for general citizen awareness based on applicable laws as of FY 2026-27. We do not provide personalized legal/tax advice or file returns directly. Verify current applicable rules on official portals or consult a qualified Chartered Accountant / Tax Lawyer.