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 ...

Forbes contributors publish independent expert analyses and insights. Matthew F. Erskine is a trusts and estates attorney. In March 2024, the Internal Revenue Service (IRS) unveiled a revised version ...

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 ...

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 ...

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) ...

Tax Day is approaching. Soon it will be time for the great assembling of forms.

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 ...

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In March 2024, the Internal Revenue Service (IRS) unveiled a revised version of Form W-9, Request for Taxpayer Identification Number and Certification, marking a significant update since its last ...