(1) Except as provided in subsection (2) of this section, all rule-making proceedings conducted under this chapter must be in accordance with chapter 34.05
(2) Rule-making proceedings conducted under this chapter are exempt from compliance with RCW 34.05.310
and chapter 19.85
RCW, the regulatory fairness act, when the proposed rule is subject to a referendum.
(3) Rules, regulations, and orders made by the commission must be filed with the director and become effective as provided in RCW 34.05.380