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

Mar 30, 2026 · 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 …

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.

Apr 3, 2026 · Find Form W-9, Form 1099 and instructions on filing electronically for independent contractors.

Mar 12, 2026 · Access IRS forms, instructions and publications in electronic and print media.

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 …

Antes de comenzar. Para obtener orientación relacionada con el propósito del Formulario W-9, vea Propósito del Formulario.

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 …

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

Apr 30, 2024 · Para obtener la información más reciente sobre los acontecimientos relacionados con el Formulario W-9 y sus instrucciones, tales como legislación promulgada después de que éstos se …