Detailed Explanation
How it works
The number of HSN digits required on invoices depends on turnover: 4 digits up to Rs.5 crore and 6 digits above, with 8 digits for exports and specified items.
Frequently asked questions
How many HSN digits are required?
4 digits up to Rs.5 crore turnover and 6 digits above; 8 digits for exports and notified items.
Why is the HSN code important?
It determines the GST rate and is validated in GSTR-1 reporting.
This content is for general guidance only and does not constitute professional advice. Tax law changes frequently — verify the current position and consult a qualified Chartered Accountant before acting. Last reviewed: June 2026.