W-9 (CU-W9 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: https://www.cu.edu/psc/forms/quick-glance/w-8.html. 

Return to CU. Do not send to IRS.

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