Wash. Admin. Code § 173-545-090
Statutory Authority: Chapters 90.82, 90.54, 90.22, 90.03, and 90.44 RCW. 08-01-045 (Order 07-06), § 173-545-090, filed 12/12/07, effective 1/12/08. Statutory Authority: Chapters 43.21B, 43.27A, 90.22 and 90.54 RCW. 88-13-037 (Order 88-11), § 173-545-090, filed 6/9/88. Statutory Authority: Chapters 90.54, 90.22 and 75.20 RCW. 83-13-016 (Order DE 83-8), § 173-545-090, filed 6/3/83.