Types of GST Notices and How to Respond to Them

Updated: Jun 3, 2026 12 min read Nishant
Quick Summary
  • GST notices are formal communications from the tax department about issues like return documentation, input tax credit verification, and audits.
  • Businesses receive GST notices for reasons such as nonfiling, data mismatches, incorrect tax credits, or tax evasion suspicions.
  • There are various types of GST notices, each requiring specific actions and responses within set time limits to avoid penalties.
  • To respond to a GST notice, taxpayers should log in to the GST portal, gather necessary documents, and submit replies using the correct forms.
  • Ignoring GST notices can lead to penalties, interest charges, legal action, business disruptions, and reputational damage.

The Goods and Services Tax (GST) system mandates its taxpayers to fulfill specific legal and procedural requirements. Tax department members use formal documents to communicate with businesses whenever they detect issues or delays or notice discrepancies in tax matters. The GST notices cover three primary functions, which include return documentation, input tax credit verification, and audit requirements, as well as show-cause proceedings. Taxpayers must comprehend GST notices to provide an accurate and timely response, which prevents penalties and legal issues.

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Understanding GST Notices

A GST notice represents the formal written communication that the  Goods and Services Tax  (GST) department sends to taxpayers regarding unclear cases, noncompliance matters, or any requirements regarding GST rules. The administrative framework includes these notices for implementing the GST Act requirements across all registered businesses. When taxpayers get a GST notice, it does not automatically lead to penalties since it might represent a request for clarification or data correction.

Taxpayers receive their GST notices via email, and they are posted to their accounts on the registered GST portal. Proper, timely responses that provide accurate information enable businesses to prevent further escalation of issues and auditors as well as penalties.

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Common Reasons for Receiving a GST Notice

Businesses may receive GST notices for various reasons, including:

  • Non-filing or delayed filing of GST returns.
  • Mismatched data between  GSTR-1 ,  GSTR-3B , and GSTR-9.
  • Incorrect or excessive claim of  Input Tax Credit  (ITC).
  • Suspicious refund claims.
  • Errors in invoice details.
  • Non-payment or short payment of taxes.
  • Tax evasion suspicions based on analytics.
  • Failure to register under GST when required.

Types of GST Notices

Here are the common types of GST notices, their purpose, and how a recipient can respond to these notices:

S.No.

1

Form Name / Notice Type

GSTR-3A

Description

Notice to non-filers of GST returns (e.g., GSTR-1, GSTR-3B, GSTR-4, GSTR-8).

Action Required

File pending returns with applicable late fees and interest.

Time Limit to Respond

Within 15 days from the date of notice issuance.

Consequences of Non-Response

Tax authorities may proceed with a best judgment assessment; penalty of ₹10,000 or 10% of the tax due, whichever is higher.

S.No.

2

Form Name / Notice Type

CMP-05

Description

Show cause notice questioning eligibility for the Composition Scheme.

Action Required

Justify eligibility by providing necessary explanations or documents.

Time Limit to Respond

Within 15 days of receiving the notice.

Consequences of Non-Response

Penalty under Section 122; denial of Composition Scheme benefits via order in CMP-07.

S.No.

3

Form Name / Notice Type

REG-03

Description

Notice seeking additional information or clarification for GST registration or amendment.

Action Required

Submit required information or documents in Form REG-04.

Time Limit to Respond

Within 7 working days from the date of receiving the notice.

Consequences of Non-Response

Rejection of the GST registration or amendment application; informed electronically in REG-05.

S.No.

4

Form Name / Notice Type

REG-17

Description

Show cause notice for potential cancellation of GST registration.

Action Required

Provide reasons against cancellation in Form REG-18.

Time Limit to Respond

Within 7 working days from the date of receiving the notice.

Consequences of Non-Response

Cancellation of GST registration via REG-19.

S.No.

5

Form Name / Notice Type

REG-23

Description

Show cause notice for revocation of cancellation of GST registration.

Action Required

Submit reply in Form REG-24 with justifications.

Time Limit to Respond

Within 7 working days from the date of receiving the notice.

Consequences of Non-Response

Rejection of the revocation application; continuation of cancellation.

S.No.

6

Form Name / Notice Type

REG-27

Description

Notice for GST migration issues for VAT regime taxpayers.

Action Required

Apply in REG-26 and appear before the tax authority.

Time Limit to Respond

Not prescribed.

Consequences of Non-Response

Cancellation of provisional registration in REG-28.

S.No.

7

Form Name / Notice Type

PCT-03

Description

Show cause notice for misconduct by GST practitioner.

Action Required

Provide a suitable explanation or defense against the allegations.

Time Limit to Respond

Within the time prescribed in the notice.

Consequences of Non-Response

Suspension or cancellation of the GST practitioner’s license.

S.No.

8

Form Name / Notice Type

RFD-08

Description

Show cause notice for discrepancies in refund application.

Action Required

Address concerns raised by providing additional information in RFD-09.

Time Limit to Respond

Within 15 days of receipt of the notice.

Consequences of Non-Response

Rejection of the refund application via RFD-06.

S.No.

9

Form Name / Notice Type

ASMT-02

Description

Notice for additional information for provisional assessment.

Action Required

Provide requested information or documents in ASMT-03.

Time Limit to Respond

Within 15 days from the date of service of the notice.

Consequences of Non-Response

Rejection of the provisional assessment application.

S.No.

10

Form Name / Notice Type

ASMT-06

Description

Notice for additional information for final assessment (post-provisional assessment).

Action Required

Submit necessary information or documents.

Time Limit to Respond

Within 15 days from the date of receipt of the notice.

Consequences of Non-Response

Final assessment may be completed without considering the taxpayer’s perspective.

S.No.

11

Form Name / Notice Type

ASMT-10

Description

Scrutiny notice for discrepancies in GST returns.

Action Required

Reply in ASMT-11, providing reasons for discrepancies.

Time Limit to Respond

Within the time prescribed in the notice or a maximum of 30 days from the date of service of notice.

Consequences of Non-Response

Assessment based on available information; potential prosecution and penalty.

S.No.

12

Form Name / Notice Type

ASMT-14

Description

Show cause notice for assessment under Section 63 (Best Judgment Assessment).

Action Required

Provide written reply and appear before the GST authority issuing the notice.

Time Limit to Respond

Within 15 days of notice.

Consequences of Non-Response

Assessment order in ASMT-15; may result in higher tax liabilities.

S.No.

13

Form Name / Notice Type

ADT-01

Description

Notice for audit by tax authorities under Section 65.

Action Required

Cooperate with the audit process by providing requested documents and information.

Time Limit to Respond

Within the time prescribed in the notice.

Consequences of Non-Response

Non-compliance may result in penalties and a more detailed investigation.

S.No.

14

Form Name / Notice Type

DRC-01

Description

Show cause notice for tax demand due to discrepancies or audit findings.

Action Required

Reply in DRC-03 for paying the amount of tax ordered along with interest and penalty, if applicable. Use DRC-06 to reply to the show cause notice.

Time Limit to Respond

Within 7 days of receiving the notice.

Consequences of Non-Response

Initiation of recovery proceedings.

S.No.

15

Form Name / Notice Type

DRC-10

Description

Notice for auction of goods under Section 79(1)(b) due to non-payment of dues.

Action Required

Settle outstanding dues immediately to prevent the auction of goods.

Time Limit to Respond

Before the auction date specified in the notice (not before 15 days from the date of issue of the notice).

Consequences of Non-Response

Auctioning of the taxpayer’s goods to recover dues.

S.No.

16

Form Name / Notice Type

DRC-13

Description

Notice to a third party under Section 79(1)(c), directing them to pay any amount due to the defaulting taxpayer directly to the government.

Action Required

The third party must comply by remitting the specified amount to the government.

Time Limit to Respond

Not applicable.

Consequences of Non-Response

The third party may face legal consequences for non-compliance.

S.No.

17

Form Name / Notice Type

DRC-16

Description

Notice for attachment and sale of immovable/movable goods or shares under Section 79.

Action Required

Prohibited from transferring or making a charge on the said goods; must comply with the notice.

Time Limit to Respond

Not applicable.

Consequences of Non-Response

Any violation of the notice can invite prosecution and/or penalties.

How to Respond to a GST Notice

GST notices can be responded to directly by the taxpayer or through an authorised tax consultant or Chartered Accountant (CA) via the GST portal. It is essential to reply within the stipulated timelines, typically between 7 and 20 days or as specifically mentioned in the notice. Failure to respond on time and in the prescribed format may lead to further action, including monetary penalties or cancellation of  GST registration .

  1. Check the Type and Reason: Identify the nature of the notice—scrutiny, audit, demand, or investigation. Read carefully to understand what’s expected.
  2. Gather Supporting Documents: Collect relevant  GST returns , invoices, payment challans, e-way bills, and ITC ledgers that support your response.
  3. Prepare and File Reply on GST Portal:
    • Log in to  https://www.gst.gov.in
    • Go to ‘Services’ → ‘User Services’ → ‘View Notices and Orders’
    • Click on the reference number → respond through the reply form provided
  4. Use Correct Forms:
    • REG-04 (for REG-03 clarification)
    • ASMT-11 (for ASMT-10 scrutiny)
    • RFD-09 (for RFD-08 reply)
    • REG-18 (for REG-17 revocation)
  5. Track Acknowledgement: After submission, keep a record of the ARN and acknowledgment receipt.

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What Happens If You Don’t Respond to a GST Notice?

Failing to respond to GST notices within the prescribed timelines can result in a range of serious consequences, including:

  • Monetary Penalties: Taxpayers may incur substantial fines for non-compliance, delayed filing, or failure to provide requested information.
  • Interest Accruals: Interest may be levied on outstanding tax liabilities from the due date until payment is made.
  • Legal Proceedings: In cases involving fraud, misstatement, or willful tax evasion, the authorities may initiate prosecution under Section 132 of the CGST Act. This could lead to criminal proceedings, including fines and imprisonment.
  • Business Disruptions: Continued non-compliance may lead to suspension or cancellation of GST registration. This prevents the business from issuing tax invoices or  claiming Input Tax Credit  (ITC), severely impacting daily operations.
  • Reputational Damage: Frequent non-compliance and scrutiny from tax authorities may damage the business’s credibility among customers, vendors, and financial institutions. This can also trigger more frequent audits and closer monitoring by regulators.

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Conclusion

Receiving a GST notice doesn’t mean you’re in trouble, but it requires a timely and well-documented response. Understanding the types of GST notices, the correct forms, and appropriate response steps ensures that businesses stay compliant, avoid penalties, and maintain transparency with tax authorities.

Proactive compliance, regular reconciliation, and professional advice are key to a smooth GST journey.

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Nishant

Chartered Accountant

I am a Chartered Accountant with more than five years of experience in the accounting field. My areas of expertise include GST, income tax, and audits. I am passionate about sharing knowledge through blogs and articles, as I believe that learning is a lifelong journey. My goal is to provide valuable insights and simplify financial matters for individuals and business owners alike.

MRN: 445516 Delhi