Use Form W-9 to provide your correct 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, or contributions you made to an IRA.
Other Items You May Find Useful
Formulario W-9(SP), Solicitud y Certificación del Número de Identificación del Contribuyente
Publication 515, Withholding of Tax on Nonresident Aliens and Foreign Entities
Publication 519, U.S. Tax Guide for Aliens
Publication 1281, Backup Withholding for Missing and Incorrect Name/TIN(S)
Comment on Form W-9
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