Wis. Admin. Code Public Service Commission PSC 1.04
The general counsel of the commission is authorized and directed to assign to any administrative law judge employed by the commission the supervision of any particular investigation or the conduct of hearings and taking of testimony bearing upon any particular investigation or hearing made or held by the commission. Such assignments by the supervisor of hearings for the conduct of hearings shall constitute specific authority to the agent thus designated to conduct the particular hearing and the taking of testimony in the matter or proceeding to which such designation pertains. The secretary to the commission is authorized, in the absence of the supervisor of hearings, to perform the latter's duties.
Wis. Admin. Code Public Service Commission PSC 1.04