Wyo. Stat. Ann. § 21-17-107

The legislature shall appropriate monies intended for the support and maintenance of the University of Wyoming. The appropriations shall specify the purposes for which the monies are intended and may be used. The appropriations shall apply to and include all monies received by the university from the United States for the endowment and support of colleges for the benefit of agriculture and mechanic arts. No expenditure shall be made in excess of an appropriation, and no monies so appropriated shall be used for any purpose other than that for which they are appropriated.