# Amendment of Registration
Legal basis: Section 28 of CGST Act read with Rule 19.
## 1. Categories of Details in Registration Application
### A. Core Fields
Require PO approval. They include:
- Legal name of business (without change in PAN)
- Addition/deletion of stakeholders — Partners, Directors, Karta, Managing Committee, Board of Trustees, CEO, persons responsible for day-to-day affairs.
- Principal Place of Business / Additional Place of Business (other than change in State).
### B. Non-Core Fields
Auto-amended online; no officer approval needed. Examples:
- Names of day-to-day functionaries
- Email IDs, mobile numbers (with online verification through GST portal).
## 2. Procedure & Timelines
### Core Field Amendment
- PO may approve or reject based on information provided or ascertained.
- Deemed approval timelines:
- If PO takes no action within 15 working days of application, OR
- Within 7 working days of receipt of reply to SCN,
→ Registration certificate stands amended to the extent applied for; amended certificate made available on common portal.
- Amendment is effective from the date of occurrence of the event requiring the change.
- PO cannot reject an amendment application without giving an opportunity of being heard.
### Non-Core Field Amendment
- Auto-amended on submission; certificate updates without officer approval.
## 3. Cross-Statute Deeming
Approval or rejection of an amendment under SGST/UTGST Act = deemed approval/rejection under CGST Act.
## 4. Retrospective Effect
Particulars amended cannot take effect earlier than the application submission date, except by Commissioner's order with reasons recorded in writing and subject to specified conditions.
## 5. Special Restrictions
| Situation | Permitted via amendment? | Remedy |
|---|---|---|
| Change in PAN | No — GST registration is PAN-based | Apply for fresh registration |
| Change in constitution resulting in new PAN | No | Apply for fresh registration |
| Change in State (PoB to another State) | No — registrations are State-specific | Voluntarily cancel current registration + apply fresh in new State |
| Mobile no./email of authorised signatory | Yes, but only after online verification through GST portal | — |