211-2 Wyo. Code R. § 2-17
(a) At the date, time and place of the hearing, the Board or presiding officer shall hear all matters presented. For expedited cases, the hearing shall be limited to oral argument. The Board or presiding officer has full authority to limit time for the conduct of a hearing.
(b) Any party may represent himself at such a hearing, or may be represented by a person designated by the party. The Department may be represented by any of its employees or by its attorney.
(c) 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.
(d) The hearing is open to attendance by the public, except for such portions closed by the Board pursuant to any statute expressly authorizing closure. To the extent a hearing is conducted by telephone and not closed, public attendance is satisfied by allowing members of the public, at reasonable times, to hear or inspect the Board record.
211-2 Wyo. Code R. § 2-17