Not all GST amendments are equal. The portal splits them into core and non-core fields, and the difference decides whether your change is instant or waits on an officer's approval. This guide sets out exactly which fields fall into each category, how long approval takes, and how to avoid the rejections that stall a change.
- Core fields (name, address, signatories) need officer approval — usually within 15 working days.
- Non-core fields (email, mobile, bank, minor details) are approved automatically on submission.
- Core amendments require supporting proof; weak documents cause rejection.
- Your GSTIN stays active while a core amendment is under review.
Core vs non-core at a glance
| Field | Category | Approval time |
|---|---|---|
| Legal / trade name (same PAN) | Core | ~15 working days |
| Principal / additional place of business | Core | ~15 working days |
| Partners / directors / signatories | Core | ~15 working days |
| Email & mobile | Non-core | Instant (OTP) |
| Bank account details | Non-core | Instant |
Core amendments (need approval)
- Legal name of the business (without a change in PAN).
- Principal or additional place of business.
- Addition or deletion of partners, directors or authorised signatories.
These are reviewed by a tax officer and typically approved within 15 working days, provided your supporting documents are in order. If the officer needs more information, they issue a notice you must answer within the given window.
Non-core amendments (automatic)
- Contact details such as email and mobile.
- Bank account details.
- Minor business detail updates.
“Non-core changes are approved automatically on submission. Core changes need proof and patience.”
Frequently asked questions
Can my GSTIN be used while a core amendment is pending?
Yes. Your registration remains active during the review, but you should ensure invoices reflect correct details once the change is approved.
What happens if a core amendment is rejected?
You can re-file with corrected documents. Most rejections stem from unclear or mismatched proof, so fixing the document resolves it.
Getting the category and the paperwork right the first time avoids rejections. Our GST amendment experts handle both kinds. See all GST services.
