Wash. Admin. Code § 220-47-303
Statutory Authority: RCW 77.12.047 and 77.04.020. 08-15-031 (Order 08-167), § 220-47-303, filed 7/8/08, effective 8/8/08. Statutory Authority: RCW 77.12.047. 04-16-125 (Order 04-202), § 220-47-303, filed 8/4/04, effective 9/4/04; Order 988, § 220-47-303, filed 4/28/72.