211-3 Wyo. Code R. § 3-12
(a) At the date, time and place set for oral argument, Petitioner shall be entitled to be heard first. Respondent may then be heard. Petitioner may then conclude. Each Petitioner shall be heard in the order notice of appeal was filed if there is more than one Petitioner. Each party may not exceed 30 minutes in argument unless otherwise ordered by the Board. If more time is desired, the request must be made at or before the time for filing the party's brief. The Board may make such order as it deems proper. Participation in oral arguments by the amicus curiae shall be granted only with Board permission and consent of the party supported, and only for extraordinary reasons with the time used to be charged against the party whose contentions amicus curiae supports.
(b) A party may represent himself or may be represented by a person designated by him. It shall be the responsibility of every party to be familiar with and comply with the Board's Rules. The Board's Rules are available at the office of the Board and on the Board's web site at http://taxappeals.state.wy.us.
211-3 Wyo. Code R. § 3-12