IRS Form W-7
Apply for an Individual Taxpayer Identification Number.
Opens a fillable version in your browser. Free, no account, and free to download. This is a helper, not the official form.
About IRS Form W-7
Form W-7, Application for IRS Individual Taxpayer Identification Number, is how people who need a US taxpayer ID but are not eligible for a Social Security number apply for an ITIN. An ITIN is used for federal tax reporting and is often submitted with a tax return.
This page is a general guide and a fillable helper, not tax advice. Always download and file the current official form from the IRS at https://www.irs.gov/forms-pubs/about-form-w-7 and confirm the fields match before you sign.
Who needs to complete it
- People who must file or be listed on a US tax return but cannot get a Social Security number.
- Nonresident and resident aliens with a federal tax filing or reporting need.
- Dependents or spouses of US taxpayers who need a taxpayer ID.
- Anyone renewing an ITIN that has expired or is about to expire.
How to fill out IRS Form W-7
- 1Check the reason you are applying for or renewing an ITIN.
- 2Enter your legal name and, if different, your name at birth.
- 3Enter your mailing address and your foreign address if you have one.
- 4Provide your birth information, including date of birth and country of birth.
- 5Enter your country of citizenship, foreign tax ID if any, and any US visa details.
- 6List the identification documents you are submitting to prove identity and foreign status.
- 7Sign and date the application, noting any delegate or acceptance agent who helped.
- 8Submit the form with the required documents and, in most cases, your tax return, following the current instructions.
Ask AI about this form
Get plain-language help understanding IRS Form W-7. General guidance only, not legal or tax advice.
Frequently asked questions
Who needs an ITIN?
People with a US tax filing or reporting need who cannot get a Social Security number generally need an ITIN. It is used only for federal tax purposes. This is a general guide, not tax advice.
Do I file Form W-7 with my tax return?
In most cases you submit the W-7 together with the tax return that requires the ITIN, along with your identification documents. The instructions list the exceptions.
What documents prove my identity?
You submit documents from the list in the instructions that prove both identity and foreign status, such as a passport. Follow the current rules for originals or certified copies.
Is this the official IRS form?
This is a fillable helper to understand the fields. Always download and file the current official form from the IRS at https://www.irs.gov/forms-pubs/about-form-w-7 and confirm the fields match.