[Statutory Authority: Chapter 90.48 RCW. WSR 93-10-099 (Order 92-55), § 173-220-225, filed 5/5/93, effective 5/19/93. Statutory Authority: RCW 90.54.020 and chapter 90.48 RCW. WSR 88-22-059 (Order 88-9), § 173-220-225, filed 11/1/88. Statutory Authority: RCW 90.48.035 and 90.48.260. WSR 82-24-078 (Order DE 82-39), § 173-220-225, filed 12/1/82.]