(A) A group that has been established and has been accepted by the bureau of workers' compensation for the purpose of group experience rate calculation shall have no more than one permanent authorized representative for representation of the group and the individual employers of the group before the bureau and the industrial commission in any and all risk-related matters pertaining to participation in the workers' compensation fund.
(B) The selection of an authorized group representative must be made by submission of a completed form AC-24, and any change or termination of the authorized group representative can be made only by a subsequent submission of form AC-24. Only an officer of the group may sign an AC-24.
(C) Notwithstanding the provisions of paragraph (A) of this rule, an individual risk in a group may retain the services of an attorney or other authorized representative for claims-related matters, such as representation at claims hearings before the bureau and the industrial commission, through submission of the appropriate authorization for representation in such individual claim files. The bureau will recognize only one authorized representative for notice and appeal purposes.