7 Easy Steps to Amend GST Registration for Free on GST Portal in 2026

Changed your business address, added a new partner, or updated your contact number recently? If you have not updated these details on the GST portal, your registration is technically out of date. The good news is that you can amend GST registration for free directly on the official portal, without paying a single rupee in government fees.

This guide breaks down exactly how to amend GST registration, the difference between core and non-core field changes, the documents you need, and the mistakes that get applications rejected. I work with GST registration and amendment filings regularly, and the businesses that struggle most are the ones who do not know whether their change falls under a core field or a non-core field. Once that is clear, the rest of the process takes only a few minutes.

Beyond the step-by-step process, this article also covers when an amendment is the wrong tool entirely, what happens if your core field change gets stuck with an officer, and how a small delay in filing can quietly create mismatches across your GST returns for months.

What Is GST Registration Amendment?

GST registration amendment is the process of updating information on your existing GST registration without cancelling your GSTIN. Your registration number stays exactly the same. Only the specific details you change get updated in the GST database.

 

Every amendment request falls into one of two categories defined by the GST system: core fields and non-core fields. This single distinction decides whether your change needs officer approval or updates instantly.

Core Fields vs Non-Core Fields: What Is the Difference?

Understanding this difference upfront saves you from picking the wrong amendment category, which is one of the most common reasons applications get rejected.

 

Note: a change in PAN, a change in the constitution of business that results in a new PAN, or a shift of business location to a different state cannot be done through amendment at all. These require a completely fresh GST registration.

What Documents Do You Need for GST Amendment?

 

How to Amend GST Registration for Free: Step by Step

This is the exact, free process on the official GST portal. There is no government fee for filing Form GST REG-14, regardless of whether your change is core or non-core.

Step 1: Log In to the GST Portal

Visit www.gst.gov.in and log in using your GSTIN, username, and password.

Step 2: Choose the Correct Amendment Type

Go to Services, then Registration. Click Amendment of Registration Core Fields if your change involves legal name, address, or partner details. Click Amendment of Registration Non-Core Fields for everything else, such as contact details or bank accounts.

Step 3: Click the Edit Icon on the Relevant Field

The Basic Details page opens with all your current information. Click the edit icon next to the specific field you want to update.

Step 4: Enter the Updated Information

Type in the new detail, select the date of amendment, and write a clear reason for the change in the Reasons field. Vague reasons can trigger an officer query for core field changes.

Step 5: Upload Supporting Documents

For core field changes, upload the relevant document in PDF or JPEG format. Non-core changes generally skip this step entirely.

Step 6: Verify and Digitally Sign

Go to the Verification tab, select your authorized signatory, and authenticate using DSC for companies and LLPs, or EVC through OTP for proprietorships and partnerships.

Step 7: Submit and Track Your ARN

After submission, the portal generates an Application Reference Number (ARN). You receive an acknowledgement by email and SMS within 15 minutes, and you can track the status anytime using this ARN.

How Long Does GST Amendment Approval Take?

Timelines differ sharply depending on which type of field you are changing.

• Non-core fields: Updated immediately, no waiting period

• Core fields: Officer has 15 working days to approve or raise a query

• No officer action within 15 working days: Amendment is deemed approved automatically under Rule 19 of the CGST Rules, 2017

This automatic approval rule is one of the most underused protections available to taxpayers. If your core amendment sits without a response past 15 working days, you do not need to keep waiting indefinitely.

Common Mistakes That Delay or Reject GST Amendments

Most amendment rejections trace back to a small set of avoidable errors. Reviewing this list before you submit can save weeks of delay.

• Filing a new core amendment while an earlier core amendment ARN is still pending

• Selecting non-core when the change actually qualifies as a core field, or vice versa

• Uploading blurry, unreadable, or expired documents

• Leaving the Reasons field vague or blank for core field changes

• Attempting to amend PAN or change state through this form, which the portal does not allow

• Forgetting to validate bank account details against PAN records before saving

• Submitting an amendment with a digital signature that has already expired

• Assuming an amendment is complete without checking the ARN status afterward

A detail many taxpayers overlook is that the Reasons field for core amendments is not just a formality, officers actively read it. A one line, specific explanation, such as stating the exact date of relocation and the reason for the move, is far less likely to trigger a clarification query than a generic phrase like change in business needs.

Amendment vs Fresh Registration: When Each One Applies

Not every change to your business qualifies for amendment. Knowing the boundary between the two prevents you from wasting time filing a form the portal will reject outright.

 

 

If you are ever unsure which side of this line your situation falls on, the safest test is to ask whether your PAN or your state of registration changes. If either does, amendment is not the right form, no matter how small the change feels.

Why Getting This Right the First Time Matters

Per the GST portal's official user manual, any change in trade name automatically triggers issuance of a fresh Registration Certificate, which is why it is processed as a core amendment even though it may seem like a minor detail.

From my experience handling amendment filings for small businesses, the recurring issue is not the paperwork itself, it is timing. Many business owners wait months after an address change or partner addition to update their GST record, and by then they are often filing returns with mismatched information. The portal does not penalize you for being early. File the amendment within 15 days of the actual change, as the rules require, and you avoid this mismatch entirely.

One pattern worth noting: non-core changes like updating a bank account or mobile number get rejected far less often than core changes, simply because they do not need officer interpretation. When in doubt about classification, treat the field as core and prepare documents accordingly.

A second pattern I see consistently is that businesses delay amendments because they assume it will be a long process similar to a fresh registration. In reality, most non-core amendments take less time to file than it takes to read this article. The hesitation usually costs more than the actual filing effort.

Key Takeaways

1. GST registration amendment lets you update your details for free through Form GST REG-14, without affecting your existing GSTIN.

2. Core field changes need officer approval within 15 working days, while non-core changes are auto approved instantly.

3. File your amendment within 15 days of the actual change to avoid return filing mismatches and possible compliance notices.

Keeping your GST registration details accurate is not just a formality, it directly affects your invoicing, return filing, and credibility with vendors and customers. The free amendment process on the GST portal is designed to be completed correctly the first time, as long as you classify your change correctly and keep your documents ready.

 

 

Frequently Asked Questions

Is it free to amend GST registration on the portal?

Yes. Filing Form GST REG-14 carries no government fee for either core or non-core field amendments. Only professional fees apply if you hire a CA or consultant.

How many times can I amend my GST registration?

There is no fixed limit, but you cannot file a new core amendment while an earlier core amendment ARN is still pending approval.

Can I change my business name through GST amendment?

Yes, as long as your PAN remains unchanged. A trade name or legal name change is treated as a core field amendment and triggers a new Registration Certificate.

How long does a non-core field amendment take to update?

Non-core changes such as mobile number, email, or bank details update almost instantly after submission, with no officer approval required.

What happens if my core amendment is not approved within 15 days?

Under Rule 19 of the CGST Rules, 2017, the amendment is deemed approved automatically if the officer takes no action within 15 working days.

Can I amend my GST registration if I am shifting to another state?

No. A change in the state of business location cannot be done through amendment. You must cancel the existing registration and apply fresh in the new state.

Do I need to upload documents for adding an additional place of business?

No additional documents are required specifically for adding an additional place of business under the current portal process.

Can I delete the primary authorized signatory through amendment?

Yes, but only if you add or designate a new primary authorized signatory at the same time.

What is the deadline to file a GST amendment after a change occurs?

You should file the amendment within 15 days from the date the relevant change actually took place.

Can I amend GST registration if I have a pending withdrawal application?

No. If an Application for Withdrawal from Registration under Rule 14A (REG-32) is pending, you cannot file for amendment of core or non-core fields until it is resolved.

 

 

If you decide you would rather have our team handle the filing end to end, here is our transparent pricing. No hidden charges, no surprise add-ons.

Related Reading on Our Website

Closing your business instead of updating it? Read our complete guide on How to Cancel GST Registration Online for Free for the full step by step process, document checklist, and final return filing requirement.

About the Author

Rohit is a Digital Marketing Executive and GST content specialist who has researched and written extensively on GST registration, compliance, and filing procedures for Indian businesses. He holds a B.Com degree and works closely with tax professionals to ensure every guide reflects the current GST portal process. Rohit's work has helped hundreds of readers understand and complete their GST compliance tasks without confusion.

 

Disclaimer: This article is for general informational purposes only and does not constitute legal or tax advice. GST rules and portal processes may change. Please verify current requirements on the official GST portal or consult a qualified tax professional before taking action.