GST Amendment — Changing Core and Non-Core Registration Fields
A GST registration is a snapshot of your business on the day it was granted. When the trade name changes, the office moves, a director leaves, a warehouse opens, or the authorised signatory resigns, the registration has to be brought back in line with reality through an amendment application in Form GST REG-14.
The portal splits the fields into two buckets. Non-core fields are updated by you and take effect on filing without any officer involvement. Core fields — legal name, the addresses of your places of business, and the stakeholders responsible for day-to-day affairs — go to the jurisdictional officer, who verifies the supporting documents and issues an approval order in Form REG-15.
This guide covers the core and non-core split, what cannot be amended at all, the prescribed time limit for filing, the documents each change needs, the portal steps, deemed approval, the effect of an amendment on your existing invoices and e-way bills, and the reasons core amendments get queried.
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What is a GST amendment?
A GST amendment is an application to change particulars already recorded in your registration. It is filed in Form REG-14 on the GST portal against the existing GSTIN, with the documents evidencing the change attached, and it updates the registration certificate rather than creating a new one.
Amendments are not optional housekeeping. The details on the registration are what appear on your invoices, your e-way bills, and every return you file. A registration that still shows an address you left two years ago is a registration whose statutory notices are being served somewhere you will never read them.
The application is free. What it costs is attention to the documentation, because a core amendment goes through the same document scrutiny as the original GST registration.
What is the difference between core and non-core fields?
The distinction decides whether a human looks at your change. Core fields carry a risk of misuse — an address or a stakeholder swap is how a fraudulent registration gets repurposed — so they need officer approval. Everything else is auto-approved.
| Field | Category | Approval needed |
|---|---|---|
| Legal name of business, where the PAN does not change | Core | Officer approval, order in REG-15 |
| Trade name | Core | Officer approval |
| Principal place of business, within the same state | Core | Officer approval |
| Additional place of business, within the same state | Core | Officer approval |
| Addition, deletion, or retirement of partners, directors, karta, trustees, or CEO | Core | Officer approval |
| Bank account details | Non-core | Auto-approved on filing |
| Authorised signatory details | Non-core in most cases | Auto-approved on filing |
| Goods and services supplied, with HSN or SAC codes | Non-core | Auto-approved on filing |
| Business email and mobile number | Non-core | Auto-approved after OTP verification |
| State-specific information and other routine particulars | Non-core | Auto-approved on filing |
One consequence of the split is worth knowing: a change to the legal name or to the stakeholders responsible for day-to-day affairs applies to every registration held on the same PAN across states, not just the one you filed against. Address changes are registration-specific.
What cannot be changed through a GST amendment?
Two changes fall outside the amendment route entirely, and both are commonly attempted before someone discovers the portal will not allow it.
- A change in PAN — the GSTIN is built around the PAN, so a new PAN means a fresh registration application, not an amendment
- A change in the state of the principal place of business — registration is state-specific, so relocating means cancelling the existing registration and applying afresh in the destination state
- Any change that itself warrants cancellation of the registration under the Act, which is handled through the cancellation route rather than an amendment
The PAN point catches businesses in the middle of a restructuring. Converting a proprietorship into a partnership, an LLP, or a company changes the PAN, which means the old GSTIN is surrendered and a new one obtained — with the closing stock consequences and the GSTR-10 final return that come with cancellation. Plan the GST leg of a conversion before you incorporate, not after.
Relocating to another state has a similar trap. Because the new registration is a different GSTIN, unutilised input credit does not simply travel with you — the transfer route depends on the facts and needs to be worked out in advance.
What is the time limit for filing a GST amendment?
The rules require the application to be submitted within fifteen days of the change that warranted it. That window is short and is measured from the event — the date the lease started, the date the director’s resignation took effect — not from the date you got around to looking at the portal.
There is a second, easily missed deadline on the portal itself. An amendment application that you start, save, and do not submit is retained for a limited period and then purged automatically, so a half-finished application is not a placeholder. Finish it in one sitting where you can.
Filing late is generally still better than not filing. An approved core amendment takes effect from the date of the event that caused it, which is why prompt filing keeps your invoices, returns, and the register consistent for the intervening period.
What documents are required for a GST amendment?
What you attach depends entirely on what you are changing. The officer is verifying the change, not re-verifying the whole registration, so a tight, relevant pack clears faster than a bundle of everything you have.
- Change of address — ownership document, or rent or lease agreement, plus a recent utility bill and the owner’s NOC
- New additional place of business — the same address pack for the new premises
- Change of trade name — the board resolution or partner authorisation recording the decision
- Change of legal name without a PAN change — the updated PAN or registry record evidencing the name
- Addition of a director or partner — PAN, Aadhaar, photograph, and the appointment document
- Removal of a director or partner — the resignation letter or retirement deed, plus the registry filing where applicable
- Change of authorised signatory — PAN, Aadhaar, photograph, and the board resolution or letter of authorisation
- Change of bank account — cancelled cheque, bank statement, or passbook first page in the registered name
- Change in goods or services — no document, but the HSN or SAC codes need to be accurate
The address pack is the one that decides outcomes. The address must read identically on the agreement, the NOC, and the utility bill, and the bill is generally expected to be recent — usually not older than about two months. Where the premises are a coworking or virtual office, expect closer scrutiny and possible physical verification.
How do you file a GST amendment online?
- 1.Identify whether the change is a core field, a non-core field, or both — they are separate application paths
- 2.Log in to the GST portal as the authorised signatory
- 3.Go to Services, then Registration, then Amendment of Registration — Core Fields or Non-Core Fields
- 4.Open the relevant tab and edit only the particulars that have actually changed
- 5.Enter the date on which the change took effect and the reason for the amendment
- 6.Upload the supporting documents for each edited field
- 7.Complete the verification tab and submit with DSC for a company or LLP, or with EVC otherwise
- 8.Note the ARN and track the application status on the dashboard
- 9.For a core amendment, respond to any notice in Form REG-03 through Form REG-04 within the stated window
- 10.On approval, download the order in Form REG-15 and the amended registration certificate
- 11.Update your invoice templates, e-way bill profile, and e-invoicing master data with the new particulars
File core and non-core changes as separate applications in the right order where they interact. A new signatory who needs to sign the core amendment should be added first, or you end up with an application no authorised person can submit.
How long does a core-field amendment take?
The rules give the proper officer fifteen working days from receipt of the application to verify it and approve the amendment by an order in Form REG-15. Non-core amendments are instant — the certificate stands amended on submission.
| Change type | Processing | Effective from |
|---|---|---|
| Non-core fields | Auto-approved on filing, no officer action | Date of filing |
| Core fields — approved | Officer verification, order in REG-15 within the prescribed working days | Date of the event warranting the change |
| Core fields — query raised | Notice in REG-03, reply in REG-04 within the stated window | Restarts the officer’s clock |
| Core fields — no officer action in time | Deemed approved | Date of the event warranting the change |
| Core fields — rejected | Order recording reasons | No change; refile with a corrected pack |
Deemed approval is a real protection, but do not plan around it. If a query is raised and you miss the reply window, the application is rejected and you start again — with the change now well outside the fifteen-day filing window it should have been made in.
What are the common reasons for filing a GST amendment?
Most amendments arise from ordinary business events rather than anything unusual. The ones below account for the bulk of what we file.
- Moving to a larger office within the same city or state
- Adding a warehouse, branch, godown, or fulfilment centre as an additional place of business
- Rebranding — a new trade name while the legal entity stays the same
- A director, partner, or trustee joining or leaving the business
- Changing the authorised signatory when the person handling compliance moves on
- Adding or correcting bank account details after a banking change
- Expanding the product or service lines, which changes the HSN or SAC codes on record
- Correcting an error made in the original registration application
- Adding an e-commerce fulfilment location to support marketplace selling in that state
Marketplace sellers should note the last one. Storing stock in a fulfilment centre in another state usually means a registration in that state, not just an additional place of business on the existing GSTIN. That is a new registration question, not an amendment question.
Does an amendment affect your invoices, e-way bills, and returns?
Yes, and the practical clean-up is often larger than the filing. Your tax invoices carry the registered address and legal name, your e-way bills pull from the registration, and if you are within the e-invoicing mandate the invoice registration portal validates against the registered particulars.
- 1.Update invoice and credit note templates with the amended name or address
- 2.Update the billing or ERP master so the GSTIN details match exactly
- 3.Refresh e-way bill and e-invoicing profiles, and re-test one document before a busy day
- 4.Tell customers and vendors, so their masters match and their credit reconciliation does not break
- 5.Update the bank, marketplace accounts, and any licence that quotes the GST address
- 6.Keep the old and new certificates together, so the transition date is documented
Where the amendment is retrospective to the event date, invoices raised in the intervening period may show the old particulars. That is usually acceptable if the amendment is on record and the dates line up — the problem arises only when the change was never filed at all.
Why do core amendments get queried or rejected?
A core amendment is scrutinised in much the same way as a new registration, and it fails for much the same reasons.
- Address inconsistent across the agreement, the NOC, and the utility bill
- Utility bill older than the period the officer expects
- NOC that does not name the applicant or permit the use of the premises
- Rent agreement unsigned, expired, or not matching the person granting the NOC
- Name change filed without the underlying registry or PAN record supporting it
- Stakeholder addition without appointment documents or complete KYC
- Premises that fail physical verification, or where signage and access are absent
- A reply to REG-03 that answers generally instead of query by query
The fix is almost always the same: answer the notice specifically, attach the exact document the officer named, and keep the address wording identical everywhere. If an amendment has already been rejected, get the rejection reasons read properly before refiling — a second identical application produces a second identical rejection.
How does an amendment differ from cancellation or revocation?
An amendment keeps the registration alive and changes its particulars. Cancellation ends the registration, whether you surrender it voluntarily or the department cancels it, and it brings a final return with it. Revocation is the route back after a departmental cancellation.
| Situation | Correct route |
|---|---|
| Office moved within the same state | Core-field amendment in REG-14 |
| Office moved to another state | Cancel the existing registration and apply afresh in the new state |
| Constitution changed and the PAN changed | Fresh registration; surrender the old GSTIN |
| Business closed or turnover fell below the threshold | Voluntary cancellation, then GSTR-10 |
| Registration cancelled by the department for non-filing | Revocation after clearing pending returns |
| Wrong details entered at registration | Amendment — core or non-core depending on the field |
Getting the route right at the start saves months. A relocation filed as an amendment sits in the queue and is rejected; a conversion handled as an amendment leaves you operating on a GSTIN that no longer matches your PAN.
What is the checklist before filing a GST amendment?
- 1.Write down the exact change and the date it took effect
- 2.Confirm the field is amendable — not a PAN change or an interstate relocation
- 3.Classify it as core or non-core so you use the right application path
- 4.Collect the specific supporting documents for that field
- 5.Check the address reads word for word the same on every document
- 6.Confirm the utility bill is recent enough
- 7.Confirm the current authorised signatory can still sign, and add a new one first if not
- 8.File within fifteen days of the event, in one sitting
- 9.Diarise the reply window in case a REG-03 notice arrives
- 10.After approval, update invoices, e-way bills, e-invoicing, and vendor and customer masters
If several things changed at once — a move, a new director, and a new signatory in the same month — sequence them deliberately rather than filing one application that tries to do everything. Sequencing is what keeps a straightforward update out of the query queue.
Why choose Arjun Filings for GST amendment?
Arjun Filings runs GST amendment as a checklist-first engagement: a qualified CA or CS scopes the work, tells you exactly which documents are needed, and reviews every form before it is signed and submitted. You get a named specialist, a status update at each stage, and a compliance calendar for whatever comes next.
- CA-led desk for GST amendment
- Checklist before portal submission
- Mismatch and notice awareness
- Clear status until certificate or ack