Wash. Admin. Code § 458-16-280
Statutory Authority: RCW 84.08.070, 84.34.141, 84.36.865, 84.52.0502. 09-19-010, § 458-16-280, filed 9/3/09, effective 10/4/09. Statutory Authority: RCW 84.36.865 and 84.36.060. 99-18-008, § 458-16-280, filed 8/19/99, effective 9/19/99. Statutory Authority: RCW 84.08.010, 84.08.070 and chapter 84.36 RCW. 94-07-008, § 458-16-280, filed 3/3/94, effective 4/3/94. Statutory Authority: RCW 84.36.865. 86-12-034 (Order PT 86-2), § 458-16-280, filed 5/30/86; 85-05-025 (Order PT 85-1), § 458-16-280, filed 2/15/85; 81-21-009 (Order PT 81-13), § 458-16-280, filed 10/8/81; Order PT 77-2, § 458-16-280, filed 5/23/77; Order PT 76-2, § 458-16-280, filed 4/7/76. Formerly WAC 458-12-235.