Wash. Admin. Code § 137-75-040
Statutory Authority: RCW 72.01.090. 03-21-088, § 137-75-040, filed 10/17/03, effective 11/17/03. Statutory Authority: RCW 72.01.090 and 1984 c 235. 84-15-053 (Order 84-09), § 137-75-040, filed 7/17/84, effective 9/2/84.