W-9 (CU W-9 for Vendors and Vendor Authorization)
Effective Date: 1/1/2012
Used to establish or update a vendor account with the University of Colorado (CU). This form meets the Federal requirements to request a taxpayer identification number (TIN), request certain certifications for Federal procurement reporting and claims for exemption, and CU requirements for vendor establishment.
International individuals/entities should instead complete the appropriate W-8 form.