Wash. Admin. Code § 220-55-001
Statutory Authority: RCW 77.12.047. 02-16-070 (Order 02-182), § 220-55-001, filed 8/6/02, effective 9/6/02. Statutory Authority: 1998 c 191 and RCW 75.08.080. 99-03-029 (Order 99-02), § 220-55-001, filed 1/13/99, effective 2/13/99.