Use Form W-9 to provide your correct Taxpayer Identification Number (TIN) to the person who is required to file an information return with the IRS to report, for example: Income paid to you. Real estate transactions. Mortgage interest you paid. Acquisition or abandonment of secured property. Cancellation of debt. Contributions you made to an IRA. Current revision Form W-9 PDF Instructions for the requester of Form W-9 (Print version PDF) Recent developments None at this time. Other items you may find useful All Form W-9 revisions About Publication 515, Withholding of Tax on Nonresident Aliens and Foreign Entities About Publication 519, U.S. Tax Guide for Aliens Publication 1281, Backup Withholding for Missing and Incorrect Name/TIN(S) PDF Publication 5027, Identity Theft Information for Taxpayers PDF Other current products Related About General Instructions for Certain Information Returns (Forms 1097, 1098, 1099, 3921, 3922, 5498, and W-2G) About Form 1099-B, Proceeds from Broker and Barter Exchange Transactions About Form 1099-DIV, Dividends and Distributions About Form 1099-INT, Interest Income About Form 1099-K, Payment Card and Third Party Network Transactions About Form 1099-MISC, Miscellaneous Income About Form 1099-S, Proceeds from Real Estate Transactions About Form 8233, Exemption From Withholding on Compensation for Independent (and Certain Dependent) Personal Services of a Nonresident Alien Individual About Form 8832, Entity Classification Election About Form W-7, Application for IRS Individual Taxpayer Identification Number