Wash. Admin. Code § 220-310-150
Statutory Authority: RCW 77.12.047. 07-05-051 (Order 07-22), § 220-56-210, filed 2/16/07, effective 3/19/07; 06-09-021 (Order 06-67), § 220-56-210, filed 4/11/06, effective 5/12/06; 02-08-048 (Order 02-53), § 220-56-210, filed 3/29/02, effective 5/1/02; 01-06-051 (Order 01-31), § 220-56-210, filed 3/6/01, effective 4/6/01. Statutory Authority: RCW 75.08.080. 95-04-066 (Order 95-10), § 220-56-210, filed 1/30/95, effective 5/1/95; 80-03-064 (Order 80-12), § 220-56-210, filed 2/27/80, effective 4/1/80.