Wyo. Stat. § 41-3-779
If the taxes and/or assessments levied are not paid as herein provided, then the real property shall be sold at the regular tax sale for the payment of such taxes and assessments, interest and penalties, in the manner provided by the statutes of the state of Wyoming for selling property for nonpayment of general taxes. If there are no bids at said tax sale for the property so offered under class A and class B, said property shall be struck off to the county, and the county shall account to the district in the same manner as provided by law for accounting for school, town and city taxes. And if there are no bids for the property so offered under class C and class D, said property shall be struck off to the district and the tax certificate shall be issued in the name of the district and the board shall have the same power with reference to sale of said tax certificate, as now vested in county commissioners and county treasurer when property is struck off to the counties.
W.S. 41-3-779