If you have a business, you may need to fill out IRS Form W-9 Fact checked by Suzanne Kvilhaug Form W-9 from the Internal Revenue Service (IRS), Taxpayer Identification Number and Certification, is ...

Foreign individuals use IRS Form W-8BEN to certify their non-U.S. status and claim benefits such as reduced withholding rates that may be available because of an income tax treaty. The form helps ...

Forbes contributors publish independent expert analyses and insights. Robert W. Wood is a tax lawyer focusing on taxes and litigation. This “backup withholding” at 24% is the usual consequence of ...

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 ...

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 ...