(A) Any prepayment or overpayment of charges may be retained by the city and applied on subsequent charges.
(B) If a service charge is not paid when due, then a penalty of 10% shall be added thereto.
(C) In the event a user fails to pay his or her water user fee within a reasonable time following discontinuance of service (a time period not to exceed 90 days), the fee shall be certified by the City Clerk and forwarded to the County Auditor for collection as provided for in Chapter 54.
Penalty, see § 10.99