Each member of the hearings board: (1) Shall not be a candidate for nor hold any other public office or trust, and shall not engage in any occupation or business interfering with or inconsistent with his or her duty as a member of the hearings board, nor shall he or she serve on or under any committee of any political party; and (2) shall not for a period of one year after the termination of his or her membership on the hearings board, act in a representative capacity before the hearings board on any matter.