Wyo. Stat. § 21-13-717: Additional surety by county treasurer.

The school district board of trustees shall require the said county treasurer to give said district a separate bond in such sum as said board may deem proper, with two (2) or more sufficient sureties, conditioned upon the faithful performance of the duties required of him by this article, and the faithful accounting for the monies deposited with him and realized from the sale of said bonds, as herein provided for, and such bonds shall be approved by said board and shall be and remain in the custody of said district board.