Any filing under this chapter must be made at the commission by mail or in person or as the commission otherwise may provide.
Wash. Admin. Code § 480-143-110
Statutory Authority: RCW 80.01.040 and 80.04.160. 99-08-055 (Order R-461, Docket No. A-980084), § 480-143-110, filed 4/1/99, effective 5/2/99.