Wash. Admin. Code § 458-20-134
Statutory Authority: RCW 82.32.300 and 82.01.060(2). 10-10-031, § 458-20-134, filed 4/26/10, effective 5/27/10. Statutory Authority: RCW 82.32.300. 86-20-027 (Order 86-17), § 458-20-134, filed 9/23/86; 83-07-032 (Order ET 83-15), § 458-20-134, filed 3/15/83; Order ET 70-3, § 458-20-134 (Rule 134), filed 5/29/70, effective 7/1/70.