All charges shall be due immediately upon billing and become delinquent if not paid in full to the billing office during office hours within 30 days of the original bill date. Late payment penalty and interest, where contractually outlined, are considered delinquent when assessed. Bills shall include notice of availability of an installment payment plan when applicable and the process for the customer to request such a payment plan. [Ord. 4583 § 1, 2022; Code 1970 § 3.300.040.]