# Guides

ITINAgents has 10 guides on ITIN acceptance agents, grouped by country.

## Canada

- [How to get an ITIN in Canada through an acceptance agent](https://itinagents.fyi/guides/how-to-get-an-itin-in-canada.md): 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.

## China

- [How to get an ITIN in China through an acceptance agent](https://itinagents.fyi/guides/how-to-get-an-itin-in-china.md): 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'.

## India

- [How to get an ITIN in India through an acceptance agent](https://itinagents.fyi/guides/how-to-get-an-itin-in-india.md): 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'.

## Mexico

- [How to get an ITIN in Mexico through an acceptance agent](https://itinagents.fyi/guides/how-to-get-an-itin-in-mexico.md): 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.

## United Kingdom

- [How to get an ITIN in the UK through an acceptance agent](https://itinagents.fyi/guides/how-to-get-an-itin-in-the-uk.md): 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.

## United States

- [How to get an ITIN in the United States through an acceptance agent](https://itinagents.fyi/guides/how-to-get-an-itin-in-the-us.md): 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.

## General

- [Certifying acceptance agent vs acceptance agent](https://itinagents.fyi/guides/certifying-vs-acceptance-agent.md): 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.
- [How to apply for an ITIN](https://itinagents.fyi/guides/how-to-apply-for-an-itin.md): 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.
- [Getting an ITIN from outside the United States](https://itinagents.fyi/guides/itin-from-outside-the-us.md): 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.
- [ITIN supporting documents: the 13 the IRS accepts](https://itinagents.fyi/guides/itin-supporting-documents.md): 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.