Wash. Admin. Code § 232-12-289
Statutory Authority: RCW 77.04.012, 77.04.013, 77.04.055, 77.12.045, and 77.12.047. 13-02-043 (Order 12-290), § 232-12-289, filed 12/21/12, effective 1/21/13. Statutory Authority: RCW 77.12.047, 77.12.020, 77.12.570, 77.12.210. 07-11-017 (Order 07-62), § 232-12-289, filed 5/3/07, effective 6/3/07. Statutory Authority: RCW 77.12.047. 03-06-110 (Order 03-23), § 232-12-289, filed 3/5/03, effective 4/5/03.