Wash. Admin. Code § 480-121-015
Statutory Authority: RCW 80.01.040 and 80.04.160. 03-24-028 (General Order R-510, Docket No. A-010648), § 480-121-015, filed 11/24/03, effective 1/1/04; 02-11-080 (General Order No. R-499, Docket No. UT-991922), § 480-121-015, filed 5/14/02, effective 6/17/02. Statutory Authority: RCW 80.01.040. 99-13-097 (Order R-464, Docket No. UT-980083), § 480-121-015, filed 6/15/99, effective 7/16/99.