021-1 Wyo. Code R. § 1-11
(a) A person may represent itself, or may be represented either by a Wyoming attorney or by a qualified foreign attorney, in proceedings before the Board.
(b) Each Wyoming attorney and each qualified foreign attorney shall file with the Commissioner a notice of appearance before representing a party in connection with a hearing on an application or on a petition. In the case of a qualified foreign attorney, the notice of appearance shall have no meaning or effect unless and until his associated Wyoming attorney shall have also filed with the Commissioner a notice of appearance. All notices of appearance shall set forth all facts necessary to determine that the attorney is either a Wyoming attorney or a qualified foreign attorney and is authorized to represent his client under this Section.
(c) Division counsel shall not be required to file a notice of appearance.
(d) If an attorney has filed a notice of appearance in connection with related proceedings before the Commissioner, the attorney is not required to file a separate notice of appearance with the Board.
021-1 Wyo. Code R. § 1-11