Wash. Admin. Code § 220-315-010
Statutory Authority: RCW 77.12.047. 10-07-105 (Order 10-64), § 220-56-265, filed 3/19/10, effective 5/1/10; 06-09-021 (Order 06-67), § 220-56-265, filed 4/11/06, effective 5/12/06; 06-05-085 (Order 06-23), § 220-56-265, filed 2/14/06, effective 5/1/06; 03-05-057 (Order 03-24), § 220-56-265, filed 2/14/03, effective 5/1/03; 02-08-048 (Order 02-53), § 220-56-265, filed 3/29/02, effective 5/1/02. Statutory Authority: RCW 77.12.040 and 75.08.080. 98-06-031, § 220-56-265, filed 2/26/98, effective 5/1/98. Statutory Authority: RCW 75.08.080. 95-04-066 (Order 95-10), § 220-56-265, filed 1/30/95, effective 5/1/95; 88-10-013 (Order 88-15), § 220-56-265, filed 4/26/88; 80-03-064 (Order 80-12), § 220-56-265, filed 2/27/80, effective 4/1/80.