Wash. Admin. Code § 480-90-153
Statutory Authority: RCW 80.01.040 and 80.04.160. 11-06-032 (Docket U-100523, General Order R-563), § 480-90-153, filed 2/25/11, effective 3/28/11. Statutory Authority: RCW 80.01.040, 80.04.160, 81.04.160, and 34.05.353. 03-22-046 (Docket No. A-030832, General Order No. R-509), § 480-90-153, filed 10/29/03, effective 11/29/03. Statutory Authority: RCW 80.01.040 and 80.04.160. 01-20-059 (Docket No. UG-990294, General Order No. R-488), § 480-90-153, filed 9/28/01, effective 10/29/01.