[Statutory Authority: RCW 41.05.021 and 41.05.160. WSR 15-18-065, § 182-550-5600, filed 8/27/15, effective 9/27/15. WSR 11-14-075, recodified as § 182-550-5600, filed 6/30/11, effective 7/1/11. Statutory Authority: RCW 74.08.090, 74.09.500, 74.09.035(1), and 43.88.290. WSR 03-13-055, § 388-550-5600, filed 6/12/03, effective 7/13/03. Statutory Authority: RCW 74.08.090 and 74.09.730. WSR 99-16-070, § 388-550-5600, filed 8/2/99, effective 9/2/99. Statutory Authority: RCW 74.08.090, 74.09.730, 74.04.050, 70.01.010, 74.09.200, [74.09.]500, [74.09.]530 and 43.20B.020. WSR 98-01-124, § 388-550-5600, filed 12/18/97, effective 1/18/98.]