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). Processing status for Form W-7 Current revision 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