To correct business details across multiple State GST registrations, identify every GSTIN held under the business’s PAN, classify the changed field as core or non-core, and file the corresponding amendment for each affected GSTIN. Some changes—such as a legal-name change where the name on PAN is unchanged and specified changes to people responsible for day-to-day affairs—are expressly applicable to all registrations under the same PAN. Do not assume every other correction propagates across States.
Start by listing every GSTIN and the field that changed
Prepare an inventory of the business’s GSTINs in each State or Union Territory. For every registration, note the current legal name, trade name and place-of-business addresses, then identify the precise field that needs correction. The amendment rules provide for PAN-wide application of certain specified changes, not automatic propagation of every edit to every GSTIN.
Use the list to determine which registrations are affected. Check each one after filing, even when the type of change is one that the rules apply across registrations under the same PAN.
Choose the amendment route by field
| Correction type | Portal route and review | Same-PAN effect |
|---|---|---|
| Non-core particulars, such as authorized-signatory details and certain contact or partner particulars | Services > Registration > Amendment of Registration Non-Core Fields. Successful filing is generally auto-approved, subject to required portal validations and verification. | Do not assume the change automatically updates every GSTIN; check and file as required for each affected registration. |
| Core particulars, including eligible legal-name changes, principal or additional place of business, and specified day-to-day management changes | Submit a core-field amendment with supporting documents. The proper officer reviews the application. | Rule 19 expressly applies legal-name changes and specified day-to-day management changes to all registrations under the same PAN. It does not establish that every other core change is automatically PAN-wide. |
| Change in business constitution that results in a different PAN | Apply for fresh registration using FORM GST REG-01 rather than treating the change as an ordinary amendment. | A new PAN means the existing same-PAN amendment approach does not resolve the registration change. |
GSTN’s non-core tutorial says a business address cannot be amended through the non-core application. An eligible principal or additional place-of-business change belongs in the core amendment route. GST Portal: Amendment of Non-Core Fields
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File the amendment within the prescribed period
CGST Rule 19 directs a registered person to submit an amendment application within 15 days of the change. The rule provides for an electronic application in FORM GST REG-14, with documents relating to the change. For specified core amendments, the proper officer reviews the application and, if approved, issues an order in FORM GST REG-15. The rule provides 15 working days for approval after receipt, subject to its notice-and-response process. Other particulars are amended upon submission, subject to any required online verification. CGST Rules, Rule 19
Use the current portal workflow and field-specific document prompts for each GSTIN. The statutory form names do not replace the portal’s current validations or submission steps.
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Submit and verify each affected registration
- Open the relevant GSTIN. Sign in to the GST Portal and select the registration whose particulars need amendment.
- For non-core particulars, open the service. Go to Services > Registration > Amendment of Registration Non-Core Fields, edit the relevant available section, complete required verification, and submit. GSTN says successful non-core filings are auto-approved; mobile-number and email changes for an authorized signatory require online verification. GST Portal: Amendment of Non-Core Fields
- For core particulars, use the core amendment workflow. Follow the current portal prompts for the field and attach the requested documents relating to the change. The proper officer must review specified core amendments.
- Keep the filing record. Retain the ARN and submission record for each affected GSTIN so you can track the amendment and establish what was filed.
- Confirm the resulting particulars. Revisit the registration details and view or download the amended registration certificate for each affected GSTIN. GST Portal: Amendment of Core Fields
Know when an amendment is not enough
If a change in business constitution results in a change of PAN, Rule 19 calls for a fresh registration application in FORM GST REG-01. A relocation, restructuring, or closure can raise separate questions about amendment, cancellation, or new registration; the available rules and portal guidance do not establish one universal procedure for those scenarios. Get case-specific tax advice before treating such a change as a routine address correction.
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What to verify before you finish
- Every GSTIN held under the business’s PAN is on your inventory.
- The field has been classified correctly as core or non-core.
- Each affected GSTIN has the required filing, except where Rule 19 expressly makes a specified change applicable across same-PAN registrations.
- The amendment application is submitted within the 15-day period after the change.
- You have retained each filing record and confirmed the amended particulars or certificate in the portal.
- A constitution change that alters PAN has been assessed as a fresh-registration matter, not an ordinary amendment.
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