[Statutory Authority: RCW
28A.150.290 and
28A.710.220. WSR 15-18-078, § 392-121-021, filed 8/28/15, effective 9/28/15. Statutory Authority: RCW
28A.150.290. WSR 92-23-044 (Order 92-15), § 392-121-021, filed 11/16/92, effective 12/17/92. Statutory Authority: RCW
28A.41.055 and
28A.41.170. WSR 88-03-013 (Order 88-8), § 392-121-021, filed 1/11/88.]