来自MSN

The Purpose of Form W-9, Request for Taxpayer Identification Number and Certification

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 ...
Forbes

Forms W-8BEN And W-9: Which To Use, When, And Why Many Get It Wrong

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 ...