Wyo. Stat. § 22-14-113: Return of voting machine keys and supplies.

(a) Keys to voting machines shall be returned to the county clerk in an envelope sealed and signed by an election judge and endorsed by an election judge of a different political party affiliation. On this envelope shall be recorded the number of the seal with which the machine was closed.

(b) All voting supplies, ballot boxes and voting machines shall be returned to the county clerk as soon as possible after the vote has been returned.