Wash. Admin. Code § 220-69-280
Statutory Authority: RCW 77.12.047. 07-04-030, § 220-69-280, filed 1/29/07, effective 3/1/07; 04-17-096 (Order 04-210), § 220-69-280, filed 8/17/04, effective 9/17/04. Statutory Authority: RCW 75.08.080. 00-01-145 (Order 99-221), § 220-69-280, filed 12/20/99, effective 1/20/00. Statutory Authority: RCW 75.08.080 and 75.58.040. 86-19-043 (Order 86-102), § 220-69-280, filed 9/12/86. Statutory Authority: RCW 75.08.080. 85-11-020 (Order 85-43), § 220-69-280, filed 5/10/85; 83-24-049 (Order 83-203), § 220-69-280, filed 12/2/83; 82-17-040 (Order 82-105), § 220-69-280, filed 8/13/82; 80-05-093 (Order 80-27), § 220-69-280, filed 5/2/80; 78-03-031 (Order 78-7), § 220-69-280, filed 2/17/78; Order 76-153, § 220-69-280, filed 12/17/76.