ITINAgents

A certifying acceptance agent authenticates your identity documents and hands them back; an acceptance agent mails the originals to the IRS with your Form W-7.

You apply for an ITIN with Form W-7 plus a federal tax return, by mail, at a Taxpayer Assistance Center, or through an IRS-approved acceptance agent.

From Canada, you apply for an ITIN on Form W-7, usually with a U.S. tax return attached, through an IRS-approved acceptance agent, by mail to the IRS Austin office, or at a U.S. Taxpayer Assistance Center.

You apply for a US ITIN on Form W-7, and from mainland China you can use an IRS-approved acceptance agent. The IRS lists agents for China on its page 'Acceptance agents - China'.

You apply for a US ITIN on Form W-7, and from India you can use an IRS-approved acceptance agent. The IRS lists agents for India on its page 'Acceptance agents - India'.

From Mexico you apply for an ITIN on IRS Form W-7, by mail or through a certifying acceptance agent in the U.S. or abroad, and the IRS lists acceptance agents for Mexico.

From the UK, you apply for an ITIN on Form W-7, usually with a U.S. tax return attached, through an IRS-approved acceptance agent, by mail to the IRS Austin office, or at a U.S. Taxpayer Assistance Center.

You apply for an ITIN on IRS Form W-7, and in the United States you can file it by mail, through an IRS acceptance agent, or at a Taxpayer Assistance Center.

Nonresident aliens apply for an ITIN by mail to Austin or through an IRS-approved acceptance agent abroad; agents work in more than sixty countries.

A valid passport alone proves identity and foreign status for an ITIN. Without one, you need two documents from the IRS list of 13, and one must show a photo.