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Internal Revenue Service (IRS), U.S. Department of the Treasury • Rev. March 2024 • Verified 2026-11-01

Fill Form W-9: Request for Taxpayer Identification Number and Certification Online (Rev. March 2024)

Complete and flatten Form W-9: Request for Taxpayer Identification Number and Certification directly in your browser. Click Load Official W-9 Template inside the workspace below or drop your own copy. All taxpayer identification numbers and signatures stay 100% on your device.

Official Form Attribution: Internal Revenue Service (IRS), U.S. Department of the Treasury (Rev. March 2024)

United States federal government work (17 U.S.C. 105), in the public domain in the United States. Served from our origin with attribution to IRS.gov. Verified on 2026-11-01.

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