When does a freelancer need a GSTIN?

Once aggregate turnover (across all GSTINs on the same PAN) crosses Rs. 20 lakh in a financial year (Rs. 10 lakh in special-category states), GST registration becomes mandatory under Section 22. Voluntary registration is allowed below the threshold and is often worth it once your B2B clients want ITC.

Do I need a separate GSTIN for each state I work in?

Yes — Section 25(1) requires a separate registration in each State or Union Territory from which you make taxable supplies. A Bangalore freelancer with a second office in Mumbai needs two GSTINs (one each on KA and MH state codes).

Identifiers · Glossary

GSTIN

15-character alphanumeric GST registration number assigned to every GST-registered taxpayer.

GSTIN (Goods and Services Tax Identification Number) is a 15-character alphanumeric code assigned under Section 25 of the CGST Act, 2017 to every GST-registered taxpayer in India. The format is:

- Characters 1-2: State code (e.g., 27 for Maharashtra, 29 for Karnataka)
- Characters 3-12: PAN of the taxpayer
- Character 13: Entity number for the same PAN in the same state
- Character 14: "Z" (default)
- Character 15: Checksum digit

The state code drives whether a supply is intra-state (same first 2 digits) or inter-state (different first 2 digits). Freelancers crossing the Rs. 20 lakh annual turnover threshold (Rs. 10 lakh in special-category states under Section 22 of the CGST Act) become liable to register and obtain a GSTIN.

Worked example

Priya’s GSTIN is 27AABCP1234A1Z9: "27" = Maharashtra state code, "AABCP1234A" = her PAN, "1" = first entity registration on this PAN, "Z" = default, "9" = checksum. A client whose GSTIN starts with "27" is intra-state (CGST+SGST); anything else is inter-state (IGST).

Practitioner tip

Always validate a client GSTIN before raising the first invoice — the GSTN GSTIN search tool returns the legal name and registration status, and catches typos or deregistered numbers that would otherwise create 2B-reconciliation hell for both sides.

Frequently asked

When does a freelancer need a GSTIN?: Once aggregate turnover (across all GSTINs on the same PAN) crosses Rs. 20 lakh in a financial year (Rs. 10 lakh in special-category states), GST registration becomes mandatory under Section 22. Voluntary registration is allowed below the threshold and is often worth it once your B2B clients want ITC.
Do I need a separate GSTIN for each state I work in?: Yes — Section 25(1) requires a separate registration in each State or Union Territory from which you make taxable supplies. A Bangalore freelancer with a second office in Mumbai needs two GSTINs (one each on KA and MH state codes).

PAN (Permanent Account Number) — 10-character alphanumeric identifier issued by the Income Tax Department.
CGST, SGST, and IGST — Three GST components: Central GST, State GST, and Integrated GST.
SAC (Services Accounting Code) — 6-digit code that classifies services for GST reporting (the services equivalent of HSN).

Frequently asked

Related glossary terms