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GST / Registration & Compliance

GST Notice for GST Registration Amendment Discrepancy: REG-03, REG-04 and the Seven-Day Window

A technical guide to REG-03 registration and amendment discrepancy notices, covering the seven-working-day reply window, the REG-04 documentation and the consequences of an incomplete response.

29 Oct 20262 min read

Form GST REG-03 is a notice issued by the proper officer under Rule 9(2) of the CGST Rules where the registration or amendment application is found deficient. It is a request for clarification, information or supporting documents, not a rejection of the application. The applicant generally has seven working days from receipt of the REG-03 to file a reply in Form GST REG-04. An incomplete or late reply can lead to rejection under REG-05.

The Common REG-03 Triggers

REG-03 notices commonly arise from incomplete or illegible documents, place-of-business proof deficiencies, mismatched address records, vague address details, PAN-linked GSTIN history concerns, and additional-place-of-business documentation gaps. The notice should be read carefully; the officer may identify more than one deficiency, and each should be addressed.

The Seven-Working-Day Reply

The seven-working-day window is short. The applicant should prepare the REG-04 reply with the specific documents sought: the rent agreement or ownership proof, the electricity bill, the NOC from the property owner, the PAN of the entity and the authorised signatory, the constitution documents and the photographs where required. The reply should be indexed and should cross-reference the REG-03 paragraph numbers.

The Additional Place of Business

Where the REG-03 relates to an additional place of business, the applicant should provide the address proof, the rent agreement or ownership document, the electricity bill, the NOC and the nature of the activity at the additional place. The additional place should be within the same state as the principal place of business or, where it is in another state, a separate registration is ordinarily required.

The Physical Verification Consequence

Where the officer initiates physical verification, the applicant should cooperate and should ensure that the premises and the signage match the application. A physical verification that finds the premises non-existent or the activity inconsistent with the application can lead to rejection and, in serious cases, to cancellation.

What the Applicant Should Control

The REG-03 outcome depends on three variables: whether the reply is filed within the seven-working-day window; whether the REG-04 documents specifically address each deficiency; and whether the premises and the activity match the application. The applicant that controls these variables obtains the registration or amendment without a rejection and a fresh application.


Call to Action: We advise businesses on REG-03 notices, REG-04 replies and registration amendment documentation. For a registration-compliance review, contact office@anujdesaiassociates.com, Ph No. 9619456656, Website https://anujdesaiassociates.com, LinkedIn linkedin.com/in/ca-anuj-desai-122547230.

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