(a) For purposes of this section, “district” means an air pollution control district or air quality management district and “district board” means the governing body of an air pollution control district or an air quality management district.
(b) No former member of a district board, and no former officer or employee of a district who held a position which entailed the making, or participation in the making, of decisions which may foreseeably have a material effect on any financial interest, shall, for a period of one year after leaving that office or employment, act as agent or attorney for, or otherwise represent, for compensation, any other person, by making any formal or informal appearance before, or by making any oral or written communication to, that district board, or any committee, subcommittee, or present member of that district board, or any officer or employee of the district, if the appearance or communication is made for the purpose of influencing regulatory action.
(c) Subdivision (b) shall not apply to any individual who is, at the time of the appearance or communication, a board member, officer, or employee of another district or an employee or representative of a public agency.
(d) This section applies to members and former members of district hearing boards.