Wash. Admin. Code § 458-30-220
Statutory Authority: RCW 84.08.110, 84.08.070, 84.34.141 and 84.34.360. 95-21-002, § 458-30-220, filed 10/4/95, effective 11/4/95. Statutory Authority: RCW 84.08.010 and 84.08.070. 90-24-087, § 458-30-220, filed 12/5/90, effective 1/5/91. Statutory Authority: RCW 84.08.010(2), 84.34.141 and chapter 84.34 RCW. 88-23-062 (Order PT 88-12), § 458-30-220, filed 11/15/88.