The Commission shall appoint a General Counsel. The General Counsel shall have been admitted to practice law in the State. The General Counsel serves at the pleasure of the Commission. As the Commission directs, the General Counsel shall: represent the Commission in a proceeding if the Commission is a party to or desires to intervene in the proceeding, if the proceeding involves a question under this division, or if the proceeding involves an act or order of the Commission; advise the Commission, on request, on any legal question that requires interpretation of a provision of law about the jurisdiction, rights, duties, or powers of the Commission; and act as attorney to the Commission as the Commission reasonably requires. The Commission may substitute any other agent for the General Counsel.