Wash. Admin. Code § 220-47-301
Statutory Authority: RCW 77.12.047 and 77.04.020. 08-15-031 (Order 08-167), § 220-47-301, filed 7/8/08, effective 8/8/08. Statutory Authority: RCW 77.12.047. 04-16-125 (Order 04-202), § 220-47-301, filed 8/4/04, effective 9/4/04; 03-05-076 (Order 03-34), § 220-47-301, filed 2/18/03, effective 3/21/03; 01-07-015 (Order 01-32), § 220-47-301, filed 3/13/01, effective 4/13/01. Statutory Authority: RCW 75.08.080. 97-16-030 (Order 97-124), § 220-47-301, filed 7/29/97, effective 8/29/97; 87-15-059 (Order 87-72), § 220-47-301, filed 7/14/87; 86-13-038 (Order 86-46), § 220-47-301, filed 6/12/86; Order 988, § 220-47-301, filed 4/28/72.