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GST Registration Amendment — Core Fields

Amendment of core GST registration fields — legal name, principal place of business, additional places of business, constitution change, or authorised signatory — requiring Assessing Officer approval under Section 28 of the CGST Act, 2017.

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STARTING FROM₹4,999
TYPICAL TIMELINE10 days
DOCS REQUIRED2 documents
APPLICABLE TOCompany, LLP, Firm, Individual, Trust

Regulatory Framework

Section 28 CGST Act 2017 (obligation to inform proper officer of any changes in registration information within 15 days; proper officer may approve, seek clarification, or reject); Rule 19(1) CGST Rules 2017 (application in FORM GST REG-14 within 15 days of change); Rule 19(2)/(3) (proper officer to approve within 15 working days — acknowledgement via FORM GST REG-15); Core fields requiring officer approval: legal name (PAN unchanged), principal place of business address (same state), additional or deleted places of business (same state), change in constitution, addition/deletion of partners/directors/authorised signatories; Non-core fields (immediate effect without approval): mobile number, email ID, HSN codes, bank account details; Rule 19(4) (FORM GST REG-03 — clarification notice issued within 15 working days; applicant to reply via FORM GST REG-04 within 7 working days); Rule 19(5) (FORM GST REG-05 — rejection order with reasons); Section 25(1) CGST Act (fresh registration required for interstate change in principal place of business — not an amendment); CBIC FAQ on core vs non-core amendment fields.

Overview

Changes to a GST registration are classified as core (require officer approval) or non-core (take effect immediately). Core field changes include: legal name of the business (when PAN is unchanged), principal place of business address (within the same state), addition or deletion of places of business (same state), change in constitution of the business (e.g., sole proprietorship to partnership), and addition or deletion of partners/directors. We prepare and file the amendment application in FORM GST REG-14 within the mandatory 15-day window, respond to any officer clarification notice (FORM GST REG-03), and follow up until the amended registration certificate (FORM GST REG-15) is issued.

How It Works

  1. 1

    Document Preparation & Filing of FORM GST REG-14

    Identify the core field requiring amendment. Gather supporting documents (e.g., RoC certificate, updated deed, board resolution, PAN confirmation). File FORM GST REG-14 on the GST portal within 15 days of the change under Rule 19(1). Obtain ARN confirming submission.

    Government1–2 days
  2. 2

    Officer Review Period

    The proper officer reviews FORM GST REG-14 within 15 working days under Rule 19(2). No further action required unless FORM GST REG-03 clarification notice is issued. Monitor application status on the GST portal.

    GovernmentUp to 15 working days
  3. 3

    Reply to Clarification Notice (if any)

    If FORM GST REG-03 is issued, prepare and submit a detailed reply in FORM GST REG-04 within 7 working days — with supporting documentation and legal justification for the amendment requested.

    Government2–3 days (within 7-day window)
  4. 4

    Receipt of Amended Registration Certificate

    Upon approval, FORM GST REG-15 is issued and the updated registration certificate (GST REG-06) is reflected on the portal. Verify the amendment, share updated certificate with client, and advise on downstream updates (invoices, e-way bills, GSTIN intimation to vendors and customers).

    Government1 day post-approval

Frequently Asked Questions

What are core fields in GST registration?
Core fields are registration details that require the Assessing Officer's approval before the amendment takes effect under Rule 19 of the CGST Rules, 2017. They include: legal name of the business (when PAN is unchanged), principal place of business address (within the same state), addition or deletion of places of business (within the same state), change in constitution of the business (e.g., proprietorship to partnership), and addition or deletion of partners, directors, Managing Members, Karta (HUF), or authorised signatories. Non-core fields (email ID, mobile number, HSN codes, bank account details) take effect immediately on submission without officer approval.
Within how many days must I apply for a core field amendment?
Rule 19(1) of the CGST Rules, 2017 requires the registered person to file the amendment application in FORM GST REG-14 within 15 days of the occurrence of the change. There is no specific late fee for delayed amendment applications, but delayed amendments create compliance discrepancies between the GST registration and actual business details, which may invite scrutiny during audits or GST department inspections.
How long does the officer take to process a core field amendment?
Under Rule 19(2) and (3) of the CGST Rules, 2017, the proper officer has 15 working days from the date of submission of the application to either approve the amendment (issuing FORM GST REG-15 acknowledgement and updating the registration certificate) or issue a clarification notice (FORM GST REG-03). If no action is taken within 15 working days and no clarification notice is issued, the amendment is deemed to have been approved.
What if my principal place of business is shifting to another state?
A change in state of the principal place of business cannot be processed as a core field amendment under Section 28 and Rule 19. Under Section 25(1) of the CGST Act, 2017, every person liable to be registered must obtain a separate registration for each state where they carry on business. You must obtain fresh registration in the new state (FORM GST REG-01) and cancel the existing registration in the old state (FORM GST REG-16 under Section 29(1)) after discharging all pending compliance obligations.
What documents are needed for a legal name change amendment?
For amendment of the legal name under Section 28 read with Rule 19, required documents typically include: updated certificate of incorporation with the new name (for companies/LLPs), board resolution authorising the name change, RoC name change certificate (ROC-approved), updated PAN card confirmation (where PAN is unchanged, confirm this explicitly — if PAN changes, fresh GST registration is required), and a declaration from the authorised signatory.
Can I add a new partner or director through a core field amendment?
Yes. Addition of a partner (partnership firm), director (company or LLP), Managing Member, Karta of HUF, or authorised signatory is a core field change under Rule 19 of the CGST Rules, 2017. The amendment must be filed in FORM GST REG-14 within 15 days. Supporting documents include the updated partnership deed, board resolution with DIR-12 filing proof, or consent letters. A change in constitution that also changes PAN (e.g., partnership converting to private limited company) requires a fresh GST registration — not an amendment.
What happens if the officer rejects the amendment application?
If the proper officer is not satisfied with the application or clarification furnished, they issue a rejection order in FORM GST REG-05 under Rule 19(5) stating reasons. The aggrieved person may: (1) file a fresh application addressing the officer's objections; (2) seek rectification under Section 161 of the CGST Act; or (3) appeal before the Appellate Authority under Section 107 of the CGST Act within 3 months from communication of the rejection order.

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