[Statutory Authority: RCW 41.05.021, 41.05.160 and section 1115(a) of the Social Security Act. WSR 19-18-024, § 182-532-050, filed 8/28/19, effective 10/1/19. Statutory Authority: RCW 41.05.021, 74.09.520, 74.09.657, 74.09.659, and 74.09.800. WSR 13-16-008, § 182-532-050, filed 7/25/13, effective 9/1/13. WSR 11-14-075, recodified as § 182-532-050, filed 6/30/11, effective 7/1/11. Statutory Authority: RCW 74.08.090 and 74.09.800. WSR 08-11-031, § 388-532-050, filed 5/13/08, effective 6/13/08. Statutory Authority: RCW 74.08.090, 74.09.520, and 74.09.800. WSR 05-24-032, § 388-532-050, filed 11/30/05, effective 12/31/05; WSR 04-05-011, § 388-532-050, filed 2/6/04, effective 3/8/04. Statutory Authority: RCW 74.08.090, 74.09.520, 74.09.800, and SSB 5968, 1999 c 392 § 2(12). WSR 02-21-021, § 388-532-050, filed 10/8/02, effective 11/8/02. Statutory Authority: RCW 74.08.090, 74.09.520, 74.09.800. WSR 00-14-066, § 388-532-050, filed 7/5/00, effective 8/5/00.]