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GST on International Payments for Indian Freelancers (2026)

By Aayush Jain·Reviewed May 8, 2026·9 min read

GST applies to service exports in a nuanced way — you don't charge GST to foreign clients, but you must register, file returns, and submit a Letter of Undertaking every year. Here's everything an Indian freelancer needs to know.

Why service exports are zero-rated under GST

Under the IGST Act, 'export of services' is zero-rated — which means GST rate is 0% and you can claim input tax credit. An 'export of service' requires:

  • The supplier (you) is in India
  • The recipient (client) is outside India
  • Payment is received in foreign currency
  • The place of supply is outside India

Most freelance services for foreign clients qualify. You don't charge GST on your invoice — and you can still claim GST credit on business expenses (software, equipment, office expenses).

Letter of Undertaking (LUT): what it is and how to file

LUT is a declaration filed with your GST portal allowing you to export without paying IGST upfront. Without LUT, you'd pay 18% IGST on each invoice and claim a refund — which takes 60–90 days. LUT is renewed each financial year.

  1. Log in to GST portal (gst.gov.in)
  2. Go to Services → User Services → Furnish LUT
  3. Select financial year, fill details, e-sign with DSC or Aadhaar OTP
  4. Submit — receive LUT reference number
  5. Quote LUT reference on all export invoices

How to report exports in GSTR-1

  • Declare all export invoices in GSTR-1 Table 6A (Zero-rated supply).
  • Include: invoice number, date, foreign country, port code, foreign currency amount, exchange rate, INR equivalent.
  • Port code for software/service exports: use 9989001 (Software) or the relevant SAC code.
  • GSTR-3B: show export taxable value in row 3.1(b) (Zero rated supply).
  • Monthly filers: GSTR-1 by 11th of next month. Quarterly filers: 13th of month after quarter end.

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