Government forms

Form W-7: Application for IRS Individual Taxpayer Identification Number (ITIN)

Application for an ITIN, a tax ID for people who must file or appear on a U.S. tax return but aren't eligible for a Social Security number. Usually filed together with a federal tax return.

Rev. December 2024

Source: Internal Revenue Service (IRS)

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Instructions for filling out Form W-7: Application for IRS Individual Taxpayer Identification Number (ITIN)

This template is used for official filing and documentation. Below are detailed instructions for completing, requirement details, and submission rules.

Who needs to fill out this document?

This form is designed for use by legal entities, individuals, or authorized representatives in the following cases:

Nonresident aliens with U.S. tax filing requirements.
Spouses and dependents of U.S. taxpayers who can't get an SSN.
Foreign investors and students who need a U.S. tax ID.

What you will need before starting

Before filling out the interactive form, prepare the following details and documents:

1. Reason for applyingOne box from a-h, such as nonresident filing a return or dependent of a U.S. citizen.

2. Identity documentsOriginal passport or certified copies, or other accepted documents.

3. Federal tax returnUsually attached, unless an exception applies.

4. Personal detailsName, birth information, foreign address and visa details.

Step-by-step filling process

Select the reason: Check the box that matches why you need an ITIN.
Enter personal information: Name, mailing and foreign address, birth date and country, citizenship.
Attach documents: Include identification and the tax return the ITIN is needed for.
Submit: Mail to the IRS ITIN Operation, visit a Taxpayer Assistance Center, or use a Certifying Acceptance Agent.

Frequently Asked Questions (FAQ)

Do I have to mail my original passport?

Not necessarily. A Certifying Acceptance Agent or IRS Taxpayer Assistance Center can verify documents so you keep your originals.

Does an ITIN let me work in the U.S.?

No. An ITIN is for tax purposes only and does not authorize work or provide immigration status.

Do ITINs expire?

Yes. An ITIN not used on a return for three consecutive years expires and must be renewed with Form W-7.

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