Wash. Admin. Code § 480-90-238
Statutory Authority: RCW 80.01.040 and 80.04.160. 06-03-001 (Docket Nos. UE-030311 and UG-030312, General Order No. R-526), § 480-90-238, filed 1/4/06, effective 2/4/06; 01-11-003 (Docket No. UG-990294, General Order No. R-484), § 480-90-238, filed 5/3/01, effective 6/3/01.