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What is an ITIN?

Understand what an Individual Taxpayer Identification Number is, who may need one, and what it does not replace.

Taxes · Published and updated August 23, 2026 · By Moneyward Editorial Team

1. The IRS issues ITINs for federal tax purposes to certain people who are not eligible for an SSN.

The IRS issues ITINs for federal tax purposes to certain people who are not eligible for an SSN. This step should be verified against the institution or agency involved in your situation. Requirements can vary, and a careful comparison is more useful than applying quickly.

2. An ITIN does not authorize work, change immigration status, or provide Social Security benefits.

An ITIN does not authorize work, change immigration status, or provide Social Security benefits. This step should be verified against the institution or agency involved in your situation. Requirements can vary, and a careful comparison is more useful than applying quickly.

3. Applications generally use Form W-7 and supporting documentation.

Applications generally use Form W-7 and supporting documentation. This step should be verified against the institution or agency involved in your situation. Requirements can vary, and a careful comparison is more useful than applying quickly.

4. Use the current IRS instructions or an authorized acceptance agent when you need help.

Use the current IRS instructions or an authorized acceptance agent when you need help. This step should be verified against the institution or agency involved in your situation. Requirements can vary, and a careful comparison is more useful than applying quickly.

What to do next

Write down the requirements, costs, and deadlines that apply to you. Use official channels for applications and never send sensitive personal information in response to an unsolicited message.

Sources

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