(A) All city taxes, except ad valorem taxes on motor vehicles, shall become delinquent on January 1 following their due dates.
(B) Any taxes not paid by the date when they become delinquent shall be subject to a penalty of 10%, plus 12% interest, on the taxes due and unpaid. The delinquent taxpayer shall also pay all costs and expenses incidental to any action taken by the city for collection of the delinquent tax bill.
(C) Delinquent taxes shall be collectable under the provisions of the state law relating to the collection of delinquent taxes by cities.