Wash. Admin. Code § 220-40-021
Statutory Authority: RCW 77.04.020, 77.12.045, and 77.12.047. WSR 12-11-093, § 220-40-021, filed 5/18/12, effective 6/18/12; WSR 10-12-061 (Order 09-108), § 220-40-021, filed 5/27/10, effective 6/27/10. Statutory Authority: RCW 77.12.047. WSR 01-13-055 (Order 01-104), § 220-40-021, filed 6/15/01, effective 7/16/01. Statutory Authority: RCW 75.08.080 and 77.12.040. WSR 98-15-081 (Order 98-122), § 220-40-021, filed 7/15/98, effective 8/15/98. Statutory Authority: RCW 75.08.080. WSR 97-15-148 (Order 97-123), § 220-40-021, filed 7/23/97, effective 8/23/97; WSR 96-13-035 (Order 96-77), § 220-40-021, filed 6/11/96, effective 7/12/96; WSR 95-13-065 (Order 95-76), § 220-40-021, filed 6/19/95, effective 7/20/95; WSR 94-13-014 (Order 94-46), § 220-40-021, filed 6/3/94, effective 7/4/94; WSR 90-18-023 (Order 90-77), § 220-40-021, filed 8/24/90, effective 9/24/90; WSR 89-16-056 (Order 89-71), § 220-40-021, filed 7/28/89, effective 8/28/89; WSR 88-19-098 (Order 88-116), § 220-40-021, filed 9/20/88; WSR 87-21-041 (Order 87-161), § 220-40-021, filed 10/14/87; WSR 86-15-016 (Order 86-55), § 220-40-021, filed 7/10/86; WSR 85-13-073 (Order 85-64), § 220-40-021, filed 6/19/85; WSR 84-15-008 (Order 84-66), § 220-40-021, filed 7/6/84; WSR 83-13-054 (Order 83-53), § 220-40-021, filed 6/15/83; WSR 82-13-048 (Order 82-63), § 220-40-021, filed 6/11/82; WSR 81-13-005 (Order 81-37), § 220-40-021, filed 6/8/81; WSR 80-09-072 (Order 80-69), § 220-40-021, filed 7/18/80; WSR 79-07-046 (Order 79-43), § 220-40-021, filed 6/22/79; WSR 78-09-041 (Order 78-61), § 220-40-021, filed 8/18/78; Order 77-71, § 220-40-021, filed 8/18/77; Order 77-44, § 220-40-021, filed 6/3/77; Order 76-73, § 220-40-021, filed 8/16/76; Order 1221, § 220-40-021, filed 7/1/75; Order 1133, § 220-40-021, filed 7/19/74.