The commission will reject any tariff change that reflects retroactive rate treatment. The commission may reject any tariff change that does not comply with commission rules.
[Statutory Authority: RCW 80.01.040 and 80.04.180. WSR 02-11-081 (Docket No. U-991301, General Order No. R-498), § 480-80-132, filed 5/14/02, effective 6/17/02.]