News

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 form that ...
Internal Revenue Service. "Form W-9: Request for Taxpayer Identification Number and Certification." Page 5. Internal Revenue Service. "Form W-9: Request for Taxpayer Identification Number and ...