To change details in an approved GST registration, sign in to the GST Portal and open Services > Registration > Amendment of Registration. Select the route that matches the field: use the non-core application for fields that are auto-approved after successful filing, and the core application for fields that require a tax-official decision. Submit the amendment with the requested verification, retain the acknowledgement reference number (ARN), and download the updated certificate after a core decision is issued.
What a GST registration amendment is
An amendment is the GST Portal process for updating information in an already approved registration when that information changes. It is different from editing an application that is still being processed. The amendment application is identified in the official form list as REG-14. If a tax official issues an order on a core amendment, that order is REG-15.
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The first decision is not which tab to edit, but whether the field is classified as core or non-core. That classification controls whether a tax official must approve the change. The portal can display field-specific rules or exceptions, so treat the current screen as authoritative for the field you are changing.
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Core and non-core fields: why the distinction matters
Core amendments require tax-official approval. A non-core amendment is auto-approved after the filing is successfully submitted and electronically authenticated. The following examples reflect GSTN guidance, but they are not a substitute for checking the category shown for your taxpayer profile.
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| Category | Typical fields or changes | What happens after submission |
|---|---|---|
| Core | Business name where the name recorded on PAN is unchanged; principal place of business; additional places of business; and certain changes involving partners, the karta, directors, committee members, trustees or the CEO | A tax official must examine and approve or otherwise decide the application. The submission alone does not approve it. |
| Non-core | Authorized-signatory contact details, telephone number, email address, promoters, partners, karta and other stakeholder information, where the portal places the field in the non-core route | Auto-approved after successful filing and electronic authentication. |
Business addresses are not amended through the non-core application. A principal or additional place of business therefore belongs in the core route when the portal presents it as such. Conversely, a stakeholder or contact-detail change may be non-core even though it appears on a related registration tab.
If several details must change at once, classify each field before you begin. In particular, check whether the change affects an address or the constitution or management of the business, whether the portal requests supporting material, and whether another amendment is already pending.
Before you start: checks that prevent a rejected or incomplete filing
Confirm that the registration is approved
Amendment is for an approved registration. The enrolment FAQ specifically says that submitted enrolment details may be amended only after the enrolment application has approved status. That is enrolment-specific guidance, not a universal waiting-period rule for every regular taxpayer amendment. For a regular registration, open the portal and confirm that the registration is active and available for amendment rather than still pending.
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Read the field label and the portal’s classification instead of assuming that every name, address or stakeholder update follows the same path. A business-name change, an address change and an authorized-signatory email change can have different review outcomes.
Check for applications that may affect filing
If a core amendment is already pending, the portal may warn that filing a non-core amendment will not reflect the pending core changes in the new form. Review that warning before continuing. The non-core manual also states that a pending Rule 14A withdrawal application, REG-32, blocks filing a non-core amendment.
Prepare the information the portal requests
Have the revised details and any supporting documents requested on the relevant tab available before submission. The documents and declarations can vary by field and taxpayer type; do not attach a generic set merely because it was accepted for a different amendment.
Make sure authentication is available
The filing must be verified by the authorized signatory using the authentication method applicable to the taxpayer. Core instructions refer to DSC or EVC as applicable; the non-core flow likewise requires the authorized signatory, place and electronic authentication.
How to file a non-core amendment
Use this route for a field the portal identifies as non-core. A successfully filed and authenticated non-core amendment is auto-approved; it does not wait for a separate tax-official order.
- Sign in. Log in to the GST Portal with the credentials for the registered taxpayer.
- Open the non-core service. Select Services > Registration > Amendment of Registration Non-Core Fields.
- Edit the relevant tab. Open the tab containing the changed contact, signatory or stakeholder information. Enter the new value exactly as it should appear in the registration record, and save or continue whenever the portal prompts you.
- Review the complete form. Check the updated value, the legal name and other unchanged information. If a portal warning says that a pending core change will not flow into this filing, decide whether submitting now is appropriate.
- Complete verification. Select the authorized signatory, enter the place of submission and use the electronic authentication requested by the portal.
- Submit and retain the proof. Save the successful-submission acknowledgement and its ARN. The ARN is the reference to use when checking the filing status or discussing it with the tax administration.
The non-core route is not a workaround for an address amendment. If the changed field is a principal or additional business place, return to the core route shown by the portal.
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How to file a core amendment
Use the core route for changes that affect the registration’s principal or additional business place, specified business-name information, or covered constitution or management details. Submission starts the review; it does not itself approve the amendment.
- Sign in to the GST Portal.
- Open the core service. Select Services > Registration > Amendment of Registration Core Fields.
- Choose the affected tab. Edit only the fields that have changed, following any field-specific instructions and uploading the supporting material requested on screen.
- Continue to verification. Review the entries, select the authorized signatory and enter the place of submission.
- Authenticate. Complete the filing with DSC or EVC, as applicable to the taxpayer and the portal prompt.
- Save the acknowledgement. Record the ARN and retain the submitted details for your files.
- Monitor the decision. Check portal notifications and the dashboard for the tax official’s decision. A core application remains unresolved until the official decision is posted; a submission receipt is not an approval order.
- Download the current certificate. After the decision, go to Services > User Services > View/Download Certificates and download the latest registration certificate.
When the official issues an amendment order, the form list identifies that order as REG-15. Keep the order with the submitted application and the updated certificate so the registration history is complete.
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One free scan finds every outdated or missing driver and matches the right update for your exact hardware.Free scan · exact hardware matchWhat changes usually count as core
Business name
A business-name amendment can be core when the name recorded on PAN is unchanged. The portal may require the amended registration information and supporting material before a tax official can decide it. If the proposed name also represents a change in PAN or another fundamental identity element, do not assume the amendment screen is the correct legal process; follow the instructions displayed for your taxpayer profile.
Principal place of business
Changing the main business address is a core matter. It cannot be filed through the non-core application. Enter the principal-place details in the core form and provide whatever evidence the portal requests for that address.
Additional places of business
Adding, removing or changing an additional place is likewise handled through the core amendment route when the portal classifies the field as core. Review each place separately so that the submitted list matches the locations actually being retained.
Constitution and management
GSTN examples of core changes include certain changes in partners, the karta, directors, committee members, trustees or the CEO. The exact treatment can depend on the taxpayer type and the field shown in the form, so use the current portal classification rather than relying on a generic checklist.
What changes usually count as non-core
Authorized-signatory contact information
Telephone numbers and email addresses associated with an authorized signatory are common non-core examples. They are filed in the non-core service when the portal presents them there and are auto-approved after successful authentication.
Stakeholder information
Promoters, partners, the karta and other stakeholder details can be non-core examples in GSTN guidance. Because some constitution or management changes are core, inspect the exact field and taxpayer category before submitting.
Information that is not an address amendment
The non-core route is intended for fields outside the core set. A business address cannot be changed there, even if another contact or stakeholder field on the same registration tab can.
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Choosing a route when several details changed
Separate the proposed edits into two lists before opening an application. Put addresses, covered business-name changes and constitution or management fields in the core list when the portal classifies them that way. Put contact, authorized-signatory and other stakeholder fields in the non-core list when the portal identifies them as non-core.
Then check whether the portal permits the sequence you need. A pending core amendment may trigger a warning that its changes will not appear in a new non-core form. That warning matters when, for example, contact details are being changed while an address amendment is awaiting decision. Compare the information already submitted with the information you are about to enter, and avoid creating two records that describe different versions of the same business.
There is no universal rule in the official instructions that every mixed change must be filed in one application. Follow the services and prompts available for your taxpayer profile. If the portal requires separate filings, retain the ARN for each and note which fields belong to each submission.
After submission: acknowledgements, decisions and certificates
Non-core filing
Keep the successful-submission acknowledgement and ARN. GSTN guidance treats a successfully filed non-core application as auto-approved, so a separate tax-official approval order is not the expected next step. Confirm that the filing reached a successful status rather than assuming that an interrupted session or validation message completed it.
Core filing
Use the ARN to follow the application in the portal dashboard and watch the registered contact channels for notifications. The official sources do not establish one general number of days for deciding every core amendment, so do not rely on a promised turnaround. If the portal requests clarification or additional action, respond through the route and within the instruction shown there.
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Once the core decision is posted, download the latest certificate from Services > User Services > View/Download Certificates. Check that the amended field appears correctly before using the certificate for invoices, registrations or other compliance records. If the certificate still shows the previous data, first confirm that a core decision has been issued and that you downloaded the latest version rather than an older saved file.
Timing and what you can and cannot assume
The enrolment FAQ expressly permits amendment of submitted enrolment details only after the enrolment application has approved status. That statement does not create a general waiting period for all regular GST registrations. For a regular taxpayer, the practical prerequisite is an approved registration that the portal makes available for amendment.
Non-core filings are described as auto-approved after successful submission and authentication. Core filings have an additional decision stage. The official material does not establish one standard number of days for every core application, so avoid promising a date to customers, lenders or internal teams. Monitor the dashboard, portal notifications and registered contact channels instead.
Keep the submission acknowledgement even when the change appears straightforward. The ARN establishes which version was filed and helps the tax administration locate the application if a status question arises.
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Common filing problems and how to handle them
The field is not editable
Confirm that you opened the correct core or non-core service and that the registration is approved. A field may be locked because it is controlled by another part of the registration or because the portal does not permit that change through amendment.
The portal says a pending core change will not be reflected
Do not ignore the warning. Compare the pending core application with the new non-core change. If the information needs to be considered together, avoid creating conflicting records and follow the portal’s current instructions before submitting.
Non-core submission is blocked
Check whether a Rule 14A withdrawal application, REG-32, is pending. The non-core manual identifies that pending application as a block. Resolve the blocking application or wait until the portal permits the amendment, using the status information displayed in your account.
The amendment was submitted but the certificate still shows old data
For a core amendment, submission is not approval. Check for the tax official’s decision and REG-15 order first, then download the latest certificate from the certificate service. For a non-core filing, verify that the submission was successful and that you are viewing the current certificate rather than an older downloaded copy.
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Review the selected authorized signatory, place of submission and the applicable DSC or EVC requirement. Correct the signatory or authentication issue shown by the portal before resubmitting; retain the ARN for any unsuccessful or partial attempt that generated one.
The wrong route was selected
Do not force an address or other core field through the non-core service simply because that screen is easier to access. Exit, reopen the registration services and select the route the portal assigns to the field. If the form has already been submitted, use the ARN to track it and follow any subsequent portal instruction rather than filing duplicate, conflicting amendments.
The information on the certificate is incomplete
Compare the downloaded certificate with the submitted REG-14 details and, for a core change, the REG-15 order. A mismatch can result from checking an older certificate or from viewing the record before the official decision was posted. Preserve both the electronic files and the acknowledgement so the sequence can be demonstrated.
Records to retain
For each amendment, retain the submitted REG-14 application details, ARN, successful-submission acknowledgement, any documents uploaded through the portal, portal notifications and the final certificate. For a core amendment, add the REG-15 order. Keeping these items together makes it easier to distinguish a pending submission from an approved change and to identify which version of an address, signatory or stakeholder record was in force.
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Use a consistent file name that includes the ARN and amendment type, and do not overwrite an earlier certificate with a later download. The portal is the controlling source for the current record, while your saved documents provide an internal history of what was submitted and when.
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A practical decision checklist
- The registration is approved and available for amendment.
- The changed field has been classified as core or non-core on the current portal screen.
- An address or specified constitution or management change has not been incorrectly placed in the non-core route.
- Any pending core amendment and any REG-32 Rule 14A withdrawal application have been checked.
- The revised information matches the taxpayer’s legal and operational records.
- Required supporting documents, if requested, are ready and legible.
- The authorized signatory and applicable DSC or EVC are available.
- The ARN and successful-submission acknowledgement have been saved.
- After a core decision, the latest certificate has been downloaded from the certificate service and checked.
Key takeaways for record-keeping
Use the exact GST Portal service that matches the field, not a convenient alternative. Non-core amendments become effective through successful filing and electronic authentication, while core amendments require a tax-official decision. Keep the REG-14 filing record, ARN, any REG-15 order and the latest certificate together. Because the official material does not set one universal decision period for all core amendments, monitor the portal and registered contact channels instead of assuming that a fixed number of days applies.
Frequently Asked Questions
How do I amend GST registration details after approval?
Sign in to the GST Portal and open Services > Registration > Amendment of Registration. Choose the core or non-core service shown for the field, edit the details, complete the requested verification and save the ARN.
Does every GST amendment need a tax-official approval?
No. Non-core amendments are auto-approved after successful filing and electronic authentication. Core amendments require a tax-official decision, and the submission receipt is not approval.
Can I change my principal business address through the non-core service?
No. A principal or additional place of business is handled through the core amendment route when the portal classifies it as core.
What are REG-14 and REG-15?
REG-14 is the taxpayer’s amendment application. REG-15 is the tax official’s amendment order for a core decision.
How do I get the amended GST certificate?
After the core decision is posted, go to Services > User Services > View/Download Certificates and download the latest certificate.
Is there a fixed processing time for a core amendment?
The official material does not establish one general decision period for every core amendment. Monitor the portal dashboard, notifications and registered contact channels.
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One free scan finds every outdated or missing driver and matches the right update for your exact hardware.Free scan · exact hardware matchWhy is my non-core amendment blocked?
A pending Rule 14A withdrawal application, REG-32, can block a non-core amendment. A pending core amendment can also generate a warning that its changes will not appear in the new form.
Can I amend enrolment details while the application is pending?
The enrolment FAQ says submitted enrolment details may be amended only after the enrolment application has approved status. That guidance is specific to enrolment and is not a universal waiting-period rule for every regular registration amendment.
The Bottom Line
Classify the changed field first. File addresses and other core matters through Amendment of Registration Core Fields and wait for the tax official’s decision; file eligible contact or stakeholder changes through Amendment of Registration Non-Core Fields, which is auto-approved after successful authentication. Save the ARN, retain REG-14 and any REG-15 order, and download the latest certificate after a core decision.
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