LUT Number on Invoices

Spooderman (Software developer) (14 Points)

11 May 2025  

Dear Experts,

After filing LUT (DEEMED APPROVED), I have two numbers:

  • ARN: AD[...]
  • Reference Number: ZD[...]

Conflicting guidance found:

  • CA Club thread says use "LUT Reference Number" (unclear which one) - Link
  • Reddit says use ARN as LUT number - Link
  • India Filings article says use ARN - Link

Question: Which number to mention on export invoices as "LUT Number" - ARN (AD) or Reference Number (ZD)?

Currently using ARN but need confirmation for compliance.