Information about Form W-9, Request for Taxpayer Identification Number (TIN) and Certification, including recent updates, related forms, and instructions on how to file. Form W-9 is used to provide …

Form (Rev. March 2024) Department of the Treasury Internal Revenue Service

For the latest developments related to Form W-9 and its instructions, such as legislation enacted after they were published, go to IRS.gov/FormW9.

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Nov 26, 2025 · Find Form W-9, Form 1099 and instructions on filing electronically for independent contractors.

Información sobre el Formulario W-9 (SP), incluyendo actualizaciones recientes, formularios e instrucciones relacionados sobre cómo presentarlo. El Formulario W-9 (SP) se utiliza para proveer …

Request for Taxpayer Identification Number and Certiication Section references are to the Internal Revenue Code unless otherwise noted.

Part I Taxpayer Identification Number (TIN) Enter your TIN in the appropriate box. The TIN provided must match the name given on line 1 to avoid backup withholding. For individuals, this is generally …

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Request for Taxpayer (Rev. December 2014) Department of the Treasury