9.18.070   Payment of fees and charges.
   All fees and charges levied for such services shall be due and payable within thirty days following invoice therefor. Sums not timely paid shall incur interest at the legal rate. All fees and charges for such services shall constitute a valid and subsisting debt in favor of the city and against the person(s) to whom such services are rendered. Should the amount due not be paid, the city may collect the debt, as well as any cost incurred in collecting the debt due to nonpayment, pursuant to any available provision of the law.
(Ord. 99-07-1259 § 1 (part))