[Statutory Authority: RCW
82.03.170. WSR 05-13-141, § 456-09-520, filed 6/21/05, effective 8/1/05. Statutory Authority: RCW
82.03.170,
34.05.250,
82.03.140 and
82.03.160. WSR 90-11-105, § 456-09-520, filed 5/22/90, effective 6/22/90. Statutory Authority: RCW
82.03.170. WSR 89-10-056 (Order 89-02), § 456-09-520, filed 5/2/89.]