Wash. Admin. Code § 480-122-020
Statutory Authority: RCW 80.01.040 and 80.04.160. 05-03-031 (Docket No. UT 040015, General Order No. R-516), § 480-122-020, filed 1/10/05, effective 2/10/05; 02-03-017 (Docket No. UT-003074, General Order No. R-492), § 480-122-020, filed 1/4/02, effective 2/28/02. Statutory Authority: RCW 80.01.040. 98-18-106 (Order R-449, Docket No. UT-971664), § 480-122-020, filed 9/2/98, effective 10/3/98; 90-19-020 (Order R-328, Docket No. UT-900462), § 480-122-020, filed 9/11/90, effective 10/12/90; 87-20-043 (Order R-277, Cause No. U-87-1102-R), § 480-122-020, filed 10/1/87.