Wash. Admin. Code § 220-47-427
Statutory Authority: RCW 77.04.020, 77.12.045, and 77.12.047. 12-15-034 (Order 12-131), § 220-47-427, filed 7/12/12, effective 8/12/12; 11-16-016 (Order 11-165), § 220-47-427, filed 7/22/11, effective 8/22/11; 10-14-129 (Order 10-137), § 220-47-427, filed 7/7/10, effective 8/7/10. Statutory Authority: RCW 77.12.047 and 77.04.020. 09-15-054 (Order 09-108), § 220-47-427, filed 7/9/09, effective 8/9/09. Statutory Authority: RCW 77.12.047. 03-18-005 (Order 03-210), § 220-47-427, filed 8/20/03, effective 9/20/03; 00-18-023 (Order 00-172), § 220-47-427, filed 8/28/00, effective 9/28/00. Statutory Authority: RCW 75.08.080. 99-24-011 (Order 99-202), § 220-47-427, filed 11/19/99, effective 12/20/99. Statutory Authority: RCW 75.08.080 and 77.12.040. 98-15-081 (Order 98-122), § 220-47-427, filed 7/15/98, effective 8/15/98. Statutory Authority: RCW 75.08.080. 97-16-030 (Order 97-124), § 220-47-427, filed 7/29/97, effective 8/29/97; 96-19-049 (Order 96-152), § 220-47-427, filed 9/12/96, effective 10/13/96.