Wash. Admin. Code § 220-412-060
Statutory Authority: RCW 77.12.047, 77.12.020, 77.12.570, 77.12.210, 77.12.150, 77.12.240, 77.32.070, 77.32.530. 10-10-061 (Order 10-94), § 232-28-292, filed 4/30/10, effective 5/31/10. Statutory Authority: RCW 77.12.040, 77.12.020, 77.32.070, 77.32.530. 01-10-048 (Order 01-69), § 232-28-292, filed 4/26/01, effective 5/27/01.