Wash. Admin. Code § 137-56-220
Statutory Authority: RCW 72.01.090, 72.09.130, and 9.94.070. 05-24-009 and 06-02-038, § 137-56-220, filed 11/28/05 and 12/28/05, effective 5/1/06. 94-07-065, § 137-56-220, filed 3/14/94, effective 5/1/94. Statutory Authority: RCW 72.65.100. 86-06-012 (Order 86-02), § 137-56-220, filed 2/21/86; 82-08-055 (Order 82-06), § 137-56-220, filed 4/5/82. Formerly WAC 275-92-540.