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  1. About Form W-9, Request for Taxpayer Identification Number ...

    Sep 5, 2025 · Information about Form W-9, Request for Taxpayer Identification Number (TIN) and Certification, including recent updates, related forms, and instructions on how to file.

  2. Future developments. For the latest information about developments related to Form W-9 and its instructions, such as legislation enacted after they were published, go to www.irs.gov/FormW9.

  3. Before you begin. For guidance related to the purpose of Form W-9, see Purpose of Form, below.

  4. Free IRS Form W9 (2025) - PDF – eForms

    Oct 1, 2025 · An IRS form W-9, or "Request for Taxpayer Identification Number and Certification," is a document used to obtain the legal name and tax identification number (TIN) of an …

  5. What Is a W-9 Form? Who Can File and How to Fill It Out

    Nov 10, 2025 · A W-9 form is an Internal Revenue Service (IRS) tax form that is used to confirm a person's name, address, and taxpayer identification number (TIN) for employment or other...

  6. How to Complete a W9 Tax Form: A Guide for Beginners

    Oct 8, 2025 · Keep reading to learn how to properly complete a W-9 tax form. [2] Make sure you're working on the correct form, and that it says "W-9" at the top. W-9s are used by …

  7. W-9 forms in 2025: What are they and who needs them?

    Jun 4, 2025 · Learn about W-9 forms, what they are, and who needs one. Get essential details on filing requirements for contractors, freelancers, and businesses in this guide.