037-6 Wyo. Code R. § 6-18
a. Any witness summoned before the State Board of Control is entitled to receive the same fee as if he or she were appearing in a district court of the State of Wyoming. Witness fees are to be paid by the party at whose insistence the witness' testimony is given. Witness fees are not required for state water officials who appear as witnesses in their official capacities.
b. Any persons who is to testify at a Board hearing in a contested case shall stand and be given the following oath or something substantially similar by the Hearing Officer:
DO YOU AFFIRM THAT THE TESTIMONY YOU ARE ABOUT TO GIVE IN THE MATTER NOW IN HEARING BEFORE THE STATE BOARD OF CONTROL SHALL BE THE TRUTH, THE WHOLE TRUTH, AND NOTHING BUT THE TRUTH?
037-6 Wyo. Code R. § 6-18