Wash. Admin. Code § 458-18-030
Statutory Authority: RCW 84.38.180. 13-08-031, § 458-18-030, filed 3/27/13, effective 4/27/13; 84-21-010 (Order PT 84-4), § 458-18-030, filed 10/5/84; 81-05-020 (Order PT 81-8), § 458-18-030, filed 2/11/81; Order PT 76-1, § 458-18-030, filed 4/7/76.