Wash. Admin. Code § 220-76-020
Statutory Authority: RCW 77.04.012, 77.04.013, 77.04.055, 77.12.045, and 77.12.047. 13-02-043 (Order 12-290), § 220-76-020, filed 12/21/12, effective 1/21/13. Statutory Authority: RCW 75.08.080 and 75.58.040. 89-10-033 (Order 89-27), § 220-76-020, filed 4/27/89; 86-19-043 (Order 86-102), § 220-76-020, filed 9/12/86; Order 980, § 220-76-020, filed 2/3/72.