W-7 frequently asked questions:

General ITIN Information

  • What is an ITIN?
  • What is an ITIN used for?
  • Who needs an ITIN?
  • How do I know if I need an ITIN?
  • How do I apply for an ITIN?
  • When should I apply for an ITIN?
  • Where can I get help with my ITIN application?
  • How and when can I expect to receive my ITIN?


  • What are the revised application standards for ITINs?
  • Why did IRS change from an ITIN card to an authorization letter?
  • Why did IRS revise the ITIN application process?
  • What documents are acceptable as proof of identity and foreign status?


Additional ITIN Information

  • How can I obtain an ITIN from abroad?
  • Are ITINs valid for identification?
  • Are ITINs valid for work purposes?
  • Can ITINs be used as proof of identification to obtain a state driver’s license?
  • What do I do when I am assigned a social security number (SSN)?
  • What ITIN information is available in Spanish?
  • What ITIN information is available for tax professionals?
  • What is an ITIN Acceptance Agent?
  • How can I become an acceptance Agent?
  • What information is available for Foreign Property Buyers/Sellers?