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, ...

Please note: Northwestern's W-9 is not appropriate when a University department is paying or making a purchase. In such cases, the vendor, not the University, is responsible for completing a blank ...

I RS forms W-8 and W-9 serve distinct purposes in the tax system and are used by different groups to fulfill their tax obligations. A W-8 form is typically required from non-U.S. individuals or ...