Wash. Admin. Code § 468-52-050
Statutory Authority: Chapter 47.50 RCW. 99-06-035 (Order 188), § 468-52-050, filed 2/25/99, effective 3/28/99. Statutory Authority: RCW 47.01.101 and chapter 47.50 RCW. 93-03-033 (Order 135), § 468-52-050, filed 1/13/93, effective 2/13/93.