[Statutory Authority: Chapter 70.94 RCW. WSR 91-05-064 (Order 90-06), § 173-410-071, filed 2/19/91, effective 3/22/91. Statutory Authority: Chapters 43.21A and 70.94 RCW. WSR 89-02-055 (Order 88-39), § 173-410-071, filed 1/3/89; WSR 83-09-036 (Order DE 83-13), § 173-410-071, filed 4/15/83. Statutory Authority: RCW 70.94.331 and 70.94.395. WSR 80-11-061 (Order DE 80-16), § 173-410-071, filed 8/20/80. Statutory Authority: RCW 43.21A.080, 70.94.011, 70.94.152, and 70.94.331. WSR 80-04-050 (Order DE 80-8), § 173-410-071, filed 3/21/80.]