In the event of the discovery by the City of Ankeny of an error in the amount billed for water service, the amount due to or from the affected customer to rectify the billing error shall be refunded or collected within 45 days. For billing error periods that exceed five (5) years, the amount to be refunded or collected shall be limited by a retroactive adjustment to no more than five (5) years prior to the date of the discovery of the billing error.
(Ord. 1941 - May 18 Supp.)