Form W-9 is a simple IRS tax form, but mistakes can cause delays and withholding. Learn when you need it and how to fill it out.

A W-9 is an IRS form that independent contractors fill out to give businesses their tax ID number and personal information. Many, or all, of the products featured on this page are from our advertising ...

As a small-business owner, you may be thinking about outsourcing work to save time and expand your services. Before taking this step, make sure you ask contractors or companies to fill out a W-9 form.

What Is Form W-9: Request for Taxpayer Identification Number (TIN) and Certification? Form W-9, Request for Taxpayer Identification Number (TIN) and Certification, is an Internal Revenue Service (IRS) ...

IRS forms W-8 and W-9 serve distinct purposes in the tax system and are used by different groups to fulfill their tax obligations. A W-8 form is typically required ...

A business is required to obtain a taxpayer identification number (TIN) from any vendor to whom it makes payments that require the issuance of a Form 1099-MISC. A Form W-9 facilitates obtaining this ...

Forbes contributors publish independent expert analyses and insights. Admitted NY Bar and US Tax Court, covers US international tax law. Using the correct IRS form (W-9 for U.S. persons and W-8BEN for ...

The IRS continues to roll out drafts of some 2026 tax forms, including a draft of Form W-9, Request for Taxpayer Identification Number and Certification. Here’s a look at what’s new—and why it matters ...

When you receive compensation other than wages, the payer may ask you to fill out IRS Form W-9, which is a request for your taxpayer identification number, such as your Social Security Number or ...

In March 2024, the Internal Revenue Service (“IRS”) released a new revision to Form W-9. Forms W-9 previously provided or collected do not expire nor need to be refreshed due to the publication of the ...

Form W-9 collects taxpayer ID for reporting income such as dividends and interest. W-9 income isn't initially withheld; payees must report and pay taxes themselves. Backup withholding at 28% applies ...

If you have a business, you may need to fill out IRS Form W-9 Katharine Paljug is a financial writer and editor with over a decade of industry experience. Her writing has covered nearly every aspect ...