Wyo. Stat. § 28-3-103: Employees generally.

(a) At the beginning of each session of the legislature, the senate thereof shall engage such employee personnel for said session, upon respective compensation bases, as decided by it.

(b) The senate may authorize personnel to be employed beyond the adjournment of the session in order to complete recordkeeping of each session and prepare for each session of the legislature. The president of the senate, subject to legislative appropriation, shall establish the compensation of any staff so employed whose duties shall be performed under the direction of the president.