W-8 Certificates of Foreign Status

Suppliers who are foreign nationals or foreign entities may need to complete one of the versions of IRS Form W-8 in order for the University to make payment for goods or services rendered.

W-8 Forms are available on the IRS website

To access the forms and their instructions, go to www.irs.gov. Click the “Forms & Pubs” tab within the top menu, then select “Current Forms & Pubs” and enter “W-8” into the search field to access the current versions of the W-8. (Or go directly to the W-8 search page at http://apps.irs.gov/app/picklist/list/formsPublications.html;jsessionid=....)

Please note that neither the PSC nor the International Tax Office have the legal authority to advise foreign vendors as to which W-8 form is most appropriate.

Send completed forms via campus mail to PSC Vendor Management-Campus Box 005 UCA, or fax to the PSC at 303.764.3434.

Or have supplier send completed forms via U.S. mail to:

University of Colorado
Procurement Service Center
1800 Grant Street, Suite 500
Denver CO 80203

For questions about W-8 form requirements, contact the International Tax Office:

Vendor names A-L: Kendra.Zafiratos@cu.edu, 303-735-5534

Vendor names M-Z: Alicia.Dandeneau@cu.edu, 303-735-0816


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