All ordinances adopted in the city shall, at the end of each month, be indexed and maintained in the following manner:
(A) The city budget, appropriations of money, and tax levies shall be maintained and indexed so that each fiscal year is kept separate from other years.
(B) All other city ordinances shall be kept in the minute book or an ordinance book in the order adopted and indexed in a composite index or maintained in a code of ordinances.
(KRS 83A.060 (8))