Wash. Admin. Code § 220-20-016
Statutory Authority: RCW 77.12.047. 03-10-010 (Order 03-79), § 220-20-016, filed 4/25/03, effective 5/26/03; 01-07-015 (Order 01-32), § 220-20-016, filed 3/13/01, effective 4/13/01. Statutory Authority: RCW 75.08.080. 99-24-011 (Order 99-202), § 220-20-016, filed 11/19/99, effective 12/20/99; 85-11-020 (Order 85-43), § 220-20-016, filed 5/10/85; 80-01-021 (Order 79-137), § 220-20 -016, filed 12/14/79.