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.

As a small-business owner, if you contract to perform services, you must fill out a Form W-9 for each person with whom you contract. Your client will use this form when accounting for payments made to ...

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 ...

A single-member disregarded limited liability company (LLC) is an organization that has elected -- in terms of filing status with the state and federal government -- not to be recognized as a ...

Get free guidance and exclusive deals to grow your business with business.com+ Business News Daily provides resources, advice and product reviews to drive business growth. Our mission is to equip ...

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 ...

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 ...