PeopleImages.com / Getty Images Form W-9, Request for Taxpayer Identification Number (TIN) and Certification, is an Internal Revenue Service (IRS) tax form that businesses use to collect ...

All suppliers new to UB are required to submit a completed tax ID form to Procurement Services as confirmation of their business identity. This information is used to build supplier profiles in the ...

These forms play a crucial role in how you report payments to the IRS. This guide will help clarify their purposes, ...