Administrative Services

Tax Exempt Status

The Board of Trustees of Western Illinois University is a body corporate and politic created by Illinois statute. As such, it is exempt from Illinois Retailer's Occupational Tax (Sales Tax). Vendors requesting a sales tax exemption number should be referred to the Purchasing Office website. A copy of the current tax exempt letter is listed below. Please note that the Illinois Department of Revenue renews this letter once every five years.

Tax Exempt Certificate (PDF) - ECOM Login Required