(a) No interested person outside this agency shall, in any agency proceeding subject to 5 U.S.C. 557(a), make or knowingly cause to be made any prohibited ex parte communication to any Authority member, Administrative Law Judge, or other Authority employee who is or may reasonably be expected to be involved in the decisional process of the proceeding.

(b) No Authority member, Administrative Law Judge, or other Authority employee who is or may reasonably be expected to be involved in the decisional process of the proceeding relevant to the merits of the proceeding shall: (1) Request any prohibited ex parte communications; or (2) make or knowingly cause to be made any prohibited ex parte communications about the proceeding to any interested person outside this agency relevant to the merits of the proceeding.