Wash. Admin. Code § 284-17-560
Statutory Authority: RCW 48.02.060, 48.17.005. 09-02-073 (Matter No. R 2008-06), § 284-17-560, filed 1/6/09, effective 7/1/09. Statutory Authority: RCW 48.02.060 and 48.17.070. 89-01-055 (Order R 88-14), § 284-17-560, filed 12/16/88.