Wash. Admin. Code § 16-231-910
Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. 07-11-041A, § 16-231-910, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 17.21 and 15.58 RCW. 87-18-060 (Order 1950), § 16-231-910, filed 9/1/87; 87-09-015 (Order 1923), § 16-231-910, filed 4/6/87; 80-03-031 (Order 1670), § 16-231-910, filed 2/20/80.