A.   Approval And Payment Of Tap Charge Required: The officer shall approve any request for a water tap and connection, a sewer tap on an existing line, or a sewer tap on a new line. Prior to granting approval by the superintendent, the customer shall have paid the connection or tap charge as applicable and set by ordinance or resolution of the council.
   B.   Deposit Required; Refund: The deposit shall serve as a guarantee for the payment of charges for utility service and other amounts owed to the city in connection with the utility service. The deposit shall be held in trust by the city. When a customer's utility service is disconnected, the deposit or any part of such amount deposited which remains after all such charges and amounts due the city have been satisfied, shall be returned to the customer. (1985 Code § 17-103)