Wash. Admin. Code § 162-12-120
Statutory Authority: RCW 49.60.120(3). 00-01-177, § 162-12-120, filed 12/21/99, effective 1/21/00; 96-21-054, § 162-12-120, filed 10/14/96, effective 11/14/96; Order 16, § 162-12-120, filed 5/22/74; Order 9, § 162-12-120, filed 9/23/71; § 162-12-120, filed 10/23/67.