Wash. Admin. Code § 220-52-018
Statutory Authority: RCW 77.04.012, 77.04.013, 77.04.055, 77.12.045, and 77.12.047. 12-23-016 (Order 12-267), § 220-52-018, filed 11/9/12, effective 12/10/12. Statutory Authority: RCW 77.12.047. 06-04-015 (Order 06-08), § 220-52-018, filed 1/22/06, effective 2/22/06. Statutory Authority: RCW 75.08.080. 94-12-009 (Order 94-23), § 220-52-018, filed 5/19/94, effective 6/19/94; 84-08-014 (Order 84-24), § 220-52-018, filed 3/27/84; 79-02-053 (Order 79-6), § 220-52-018, filed 1/30/79; Order 76-152, § 220-52-018, filed 12/17/76; Order 1258, § 220-52-018, filed 8/25/75; Order 807, § 220-52-018, filed 1/2/69, effective 2/1/69. Formerly WAC 220-52-010(2).