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 ...

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 ...

An Internal Revenue Service Form W-9, Request for Taxpayer Identification Number, is an informational form that employers and prime contractors use to collect information they need to process their ...

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) ...

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 ...

A Limited Liability Company (LLC) can have one of several classification types for the purpose of federal tax treatment. Some LLC classification types require the members of the LLC to elect its tax ...

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 ...