(a)      Until at least 2 years have passed after leaving service as a commissioner or the People's Counsel, an individual may not:

            (1)      represent a public service company before the Commission;

            (2)      appear before the Commission on behalf of a party to a Commission proceeding; or

            (3)      appear before the Commission on a matter within the jurisdiction of the Commission.

      (b)      Until at least 1 year has passed after leaving service with the Commission as the General Counsel or a hearing examiner, an individual may not:

            (1)      represent a public service company before the Commission;

            (2)      appear before the Commission on behalf of a party to a Commission proceeding; or

            (3)      appear before the Commission on a matter within the jurisdiction of the Commission.