Use Form W-7 to apply for an IRS individual taxpayer identification number (ITIN). You can also use this form to renew an existing ITIN that is expiring or that has already expired. An ITIN is a 9-digit number issued by the U.S. Internal Revenue Service (IRS) to individuals who are required for U.S. federal tax purposes to have a U.S. taxpayer identification number but who do not have and are not eligible to get a Social Security number (SSN). Current revision Form W-7 PDF Instructions for Form W-7 (Print version PDF) Recent developments Updates to the Instructions for Form W-7 (Rev. November 2021) -- 01-DEC-2022 Other items you may find useful All revisions for Form W-7 Individual Taxpayer Identification Number Other current products Related items About Form 1310, Statement of Person Claiming Refund Due a Deceased Taxpayer About Form 8288, U.S. Withholding Tax Return for Certain Dispositions by Foreign Persons About Form 8804, Annual Return for Partnership Withholding Tax (Section 1446) About Form W-7 A, Application for Taxpayer Identification Number for Pending U.S. Adoptions About Form W-9, Request for Taxpayer Identification Number and Certification About Form W-10, Dependent Care Provider's Identification and Certification
