From the Knowledge Centre
GST Multistate Registration: One Master TRN for Many States
GST Multistate Registration is a new facility on the GST portal that lets a business apply for GST registration in several States or Union territories at the same time under one PAN. You select the States, get a single Master TRN, enter the common business details once, and then complete only the State-specific details for each State. Each State still grants its own registration and GSTIN.
GSTN announced the facility through an advisory dated 1 October 2026, and a "Multi-State Registration" option now appears on the GST portal homepage.
What is GST Multistate Registration?
Before this change, a business expanding into, say, Uttar Pradesh, Maharashtra and Karnataka had to file three separate new registration applications. The same promoter details, authorised signatory, business constitution and list of goods and services had to be typed in three times.
The Multistate Registration facility removes that repetition. According to the GSTN advisory:
- taxpayers seeking registration in more than one State/UT under the same PAN can use it;
- it is available only for Normal Taxpayers for now;
- common information is entered once and is auto-populated in each State's application, where it remains editable.
How does the Master TRN process work, step by step?
| Step | What you do | What the portal generates |
|---|---|---|
| 1 | Click "Multistate Registration" on the GST portal homepage and select all the States/UTs you need | A Master TRN |
| 2 | Log in with the Master TRN and fill the Common Registration Information (CRI) | – |
| 3 | Submit the CRI within 15 days of the Master TRN | An individual TRN for each selected State/UT |
| 4 | Open each individual TRN, check the auto-filled data and add State-specific details | One application per State/UT |
| 5 | Complete Aadhaar authentication for each State application and submit | Application goes to that State's officer |
What goes into the Common Registration Information?
The advisory lists the following as common details entered once through the Master TRN:
- Business details
- Promoter / partner details
- Authorised signatory
- Authorised representative
- Goods and services dealt in
What must still be filled separately for each State?
- Principal Place of Business (PPoB) in that State
- Additional Places of Business (APoB), if any
- State-specific information
- Aadhaar authentication
Because the PPoB is State-specific, keep the address proof for each State's premises (rent agreement, ownership document or consent letter, and electricity bill or similar) ready before you start. A delay in arranging premises documents in one State should not hold up the others, since each State application moves on its own TRN.
Will I get one GSTIN for all States?
No. This is the most common misunderstanding about the new facility. Section 25(2) of the CGST Act provides that a person shall be granted a single registration in a State or Union territory. Section 25(4) treats a person holding more than one registration as a distinct person for each registration.
So the facility is a convenience at the application stage only. After approval:
| Area | Position after Multistate Registration |
|---|---|
| Registration certificate and GSTIN | Separate for each State/UT |
| Approval | By the proper officer of each State/UT |
| Returns (GSTR-1, GSTR-3B and annual return) | Filed separately for each GSTIN |
| Input tax credit | Available to each GSTIN on its own inward supplies |
| Movement of goods between your own States | Treated as supply between distinct persons |
| Amendments and cancellation | Handled registration-wise |
Supplies between your own registrations in different States are covered by Schedule I of the CGST Act as supplies between distinct persons, even without consideration. Tax invoices and valuation for such stock transfers and cross-charges therefore need attention from the first month.
Who should use Multistate Registration?
The facility is useful when a business needs registrations in two or more States at about the same time, for example:
- a company setting up branches or depots in several States together;
- a manufacturer appointing warehouses in multiple States for distribution;
- an e-commerce seller storing goods in fulfilment centres located in different States;
- a services business opening offices in more than one State.
Under Section 25(1), a person liable to registration must apply in every State or Union territory where they are liable, within 30 days of becoming liable. Whether registration is needed in a particular State depends on the supply made from that State and the turnover and compulsory-registration rules. These are explained in our article on GST registration thresholds and compulsory cases.
If you need registration in only one new State, the regular new registration route continues to work as before.
What should you check before applying?
- PAN details match exactly across all documents, since every application runs under the same PAN.
- Authorised signatory is the same person you want for all States, or edit the details in a particular State's TRN.
- Goods and services codes reflect what each State location will actually supply. Edit them State-wise if the activity differs.
- Aadhaar authentication for each application is completed promptly, because pending authentication delays processing.
- 15-day window for submitting the Master TRN is noted in your calendar.
Is anything else changing in GST registration?
The GST Council, at its 57th meeting held on 8 October 2026, recommended further measures to simplify registration and compliance, including for small e-commerce sellers. These recommendations take effect only after the relevant notifications, circulars or law amendments are issued, so the existing rules continue to apply until then. The documents and steps for a new registration are outlined on our GST registration page.
The information in this article reflects the law as on the date of publication and is for general guidance only.
CA. Kunal Darwani