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.

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 Request for Taxpayer Identification Number (TIN) and Certification Used to request a taxpayer identification number (TIN) for reporting on an information return the amount paid. …

The latest versions of IRS forms, instructions, and publications. If a PDF file won't open, try downloading the file to your device and opening it using Adobe Acrobat. View more …

A valid Form W-9, or a substitute form, must contain the payee's name and TIN and be signed and dated under penalties of perjury by the payee or a person authorized to sign for the payee.

In the cases below, the following person must give Form W-9 to the partnership for purposes of establishing its U.S. status and avoiding withholding on its allocable share of net income from …

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

Therefore, if you are a U.S. person that is a partner in a partnership conducting a trade or business in the United States, provide Form W-9 to the partnership to establish your U.S. …

A valid Form W-9, or a substitute form, must contain the payee's name and TIN and be signed and dated under penalties of perjury by the payee or a person authorized to sign for the payee.

Sep 16, 2025 · Use your best estimates for the year ahead to determine how to complete Form W-4 so you don’t have too much or too little federal income tax withheld. Sales Tax Deduction …