Wash. Admin. Code § 434-55-050
Statutory Authority: RCW 25.10.171, 25.10.916, and 43.07.120. 10-04-046, § 434-55-050, filed 1/28/10, effective 2/28/10. Statutory Authority: RCW 25.10.600 - 25.10.610, 1982 c 35 §§ 187(2), 191 and 193. 82-20-075 (Order 82-7), § 434-55-050, filed 10/6/82.