Wash. Admin. Code § 173-476-020
[Statutory Authority: RCW 70.94.152, 70.94.331, 70.94.860. WSR 16-12-099 (Order 16-01), § 173-476-020, filed 5/31/16, effective 7/1/16. Statutory Authority: Chapter 70.94 RCW. WSR 13-24-010 (Order 12-05), § 173-476-020, filed 11/21/13, effective 12/22/13.]