Wash. Admin. Code § 220-340-150
Statutory Authority: RCW 77.12.047. 05-01-113 (Order 04-318), § 220-72-076, filed 12/15/04, effective 1/15/05; 03-10-041 (Order 03-86), § 220-72-076, filed 4/30/03, effective 5/31/03. Statutory Authority: RCW 75.08.080. 99-10-061 (Order 99-60), § 220-72-076, filed 5/3/99, effective 6/3/99; 97-08-078 (Order 97-56), § 220-72-076, filed 4/2/97, effective 5/3/97; Order 847, § 220-72-076, filed 9/24/69.