Internal Revenue Service United States Department of the Treasury
Level Basic Advanced Military International

Individual Taxpayer Identification Number (ITIN)

Individual Taxpayer Identification Number (ITIN)

ITIN Documentation

Documents substantiating proof of identity and foreign status must be:

  • Must be current and valid at the time the application is submitted
  • Original, or
  • Certified copies

Certified copies of documents submitted to prove “identity” and “foreign status” must bear an original, authentic stamp/seal placed by the issuing agency. Documents displaying a photocopied seal or stamp are not acceptable and will be returned to the applicant.

In lieu of sending original documentation, taxpayers may be eligible to use an IRS authorized Certifying Acceptance Agent (CAA) or make an appointment at a designated IRS Taxpayer Assistance Center (TAC) location. To find a local CAA, visit https://www.irs.gov/individuals/acceptance-agent-program or check the local telephone directory for the nearest location.