Wash. Admin. Code § 220-414-050
Statutory Authority: RCW 77.12.040. 98-17-042 (Order 98-153), § 232-16-770, filed 8/13/98, effective 9/13/98. Statutory Authority: RCW 77.12.040 and 77.12.010. 96-18-008 (Order 96-126), § 232-16-770, filed 8/22/96, effective 9/22/96.