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2024 IRS Form W-9: Line by Line Instructions

Updated on January 22, 2025 - 11:00 AM Charles Hardy, TaxBandits

The W-9 form, officially titled "Request for Taxpayer Identification Number and Certification," is an important document in the U.S. tax system, especially for freelancers, independent contractors, and non-employees. It is used to supply your correct Taxpayer Identification Number (TIN) to businesses that must report your payments to the IRS.

In this guide, you’ll find step-by-step instructions for filling out a Form W-9.


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