Wash. Admin. Code § 220-414-010
Statutory Authority: RCW 77.12.047, 77.12.020, 77.12.570, 77.12.210. 08-09-090 (Order 08-78), § 232-12-045, filed 4/18/08, effective 5/19/08. Statutory Authority: RCW 77.12.047. 03-13-047 (Order 03-129), § 232-12-045, filed 6/12/03, effective 7/13/03.