Wash. Admin. Code § 173-900-550
[Statutory Authority: RCW 70.95N.230. WSR 16-06-107 (Order 15-03), § 173-900-550, filed 3/1/16, effective 4/1/16. Statutory Authority: Chapters 70.95N, 70.105, and 70.105D RCW. WSR 07-21-013 (Order 07-05), § 173-900-550, filed 10/5/07, effective 11/5/07.]