A company must refund overcharges to the customer with interest, retroactive to the time of the overcharge, up to a maximum of two years, as set forth in RCW 80.04.230 and 80.04.240. This rule does not limit other remedies available to customers.
[Statutory Authority: RCW 80.01.040 and 80.04.160. WSR 03-01-065 (Docket No. UT-990146, General Order No. R-507), § 480-120-163, filed 12/12/02, effective 7/1/03.]