Wyo. Stat. § 37-2-102
A majority of the commission shall constitute a quorum to transact business and for the performance of any duty or for the exercise of any powers of the commission and may hold meetings of the commission at any time or place within the state. A majority of the commission shall consist of two (2) of the three (3) members, including the chairman, that constitute the commission in the normal course of business. Any investigation, inquiry or hearing which the commission has power to hold may be held by or before any commissioner, or an employee of the commission acting in the capacity of a hearing officer, when an order is entered in the records of the office of the commission to that effect, and such an investigation, inquiry or hearing when approved and confirmed by the commission shall be the investigation, inquiry or hearing of the commission, but no finding or order of the commission shall be effective without the concurrence of a majority of the commission.
W.S. 37-2-102