The hearing body shall be subject to the code of ethics and prohibitions on conflict of interest as set forth in RCW 35A.42.020 and Chapter 42.23 RCW, as the same now exists or may hereafter be amended. (Ord. 1815 § 1, 2000; Ord. 1691 § 1, 1997; Ord. 1628 § 1, 1996).