Wash. Admin. Code § 220-16-470
Statutory Authority: RCW 77.12.047. 05-17-007 (Order 05-168), § 220-16-470, filed 8/3/05, effective 9/3/05; 04-16-126 (Order 04-201), § 220-16-470, filed 8/4/04, effective 9/4/04. Statutory Authority: RCW 75.08.080 and 75.12.040. 97-18-035, § 220-16-470, filed 8/27/97, effective 9/27/97.