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Form W-7

2025 IRS Tax Form W-7

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Form W-7, Application for IRS Individual Taxpayer Identification Number, is used by individuals who need an ITIN for tax purposes but are not eligible for a Social Security Number. This form helps non-U.S. residents comply with tax laws.

Purpose

Form W-7 is used to apply for an IRS Individual Taxpayer Identification Number (ITIN) for individuals who are not eligible for a Social Security Number.

Who Should File

Individuals needing an ITIN for federal tax purposes, such as non-residents or dependents, should file this form.

How to File

Complete Form W-7 with required personal information and submit it with your federal tax return and supporting documents.

Where to File

Mail Form W-7 along with your tax return to the address specified in the form's instructions, or apply through an IRS-authorized Acceptance Agent.

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