Wash. Admin. Code § 468-16-180
Statutory Authority: RCW 47.01.101, 47.28.030 and 47.28.070. 97-09-045 (Order 168), § 468-16-180, filed 4/15/97, effective 5/16/97; 94-05-004, § 468-16-180, filed 2/2/94, effective 3/5/94; 93-03-020 (Order 134), § 468-16-180, filed 1/12/93, effective 2/12/93; 91-04-014 (Order 128), § 468-16-180, filed 1/28/91, effective 2/28/91.