Wash. Admin. Code § 480-92-070
Statutory Authority: RCW 80.01.040. 99-05-016 (Order R-458, Docket No. UR-980080), § 480-92-070, filed 2/5/99, effective 3/8/99. Statutory Authority: RCW 80.01.040 and 1991 c 272. 92-03-050 (Order R-366, Docket No. T-910676), § 480-92-070, filed 1/10/92, effective 2/10/92.