Wash. Admin. Code § 480-100-003
Statutory Authority: RCW 80.01.040 and 80.04.160. 03-24-028 (General Order R-510, Docket No. A-010648), § 480-100-003, filed 11/24/03, effective 1/1/04; 01-11-004 (Docket No. UE-990473, General Order No. R-482), § 480-100-003, filed 5/3/01, effective 6/3/01.