[Statutory Authority: RCW
28A.150.290 and
28A.710.220. WSR 15-18-078, § 392-121-500, filed 8/28/15, effective 9/28/15. Statutory Authority: RCW
28A.150.290. WSR 91-14-038 (Order 91-10), § 392-121-500, filed 6/26/91, effective 7/27/91. Statutory Authority: RCW
28A.150.290 and 1990 c 103. WSR 91-07-006 (Order 44), § 392-121-500, filed 3/7/91, effective 4/7/91.]