Wash. Admin. Code § 456-09-742
Statutory Authority: RCW 82.03.170. 05-13-141, § 456-09-742, filed 6/21/05, effective 8/1/05. Statutory Authority: RCW 82.03.170, 34.05.250, 82.03.140 and 82.03.160. 90-11-105, § 456-09-742, filed 5/22/90, effective 6/22/90.