In order to provide money for the costs of administration, operation, maintenance, and development and for the purchase, lease, option, or holding of property, or rights therein, necessary or proper for the purposes contemplated in KRS 65.510 to 65.650, the legislative body of any governmental unit creating the riverport authority under KRS 65.510 to 65.650 may annually appropriate funds to the authority; or such governmental unit may make an annual levy to collect a tax on taxable property situated in the governmental unit for such riverport development. Any appropriation shall be made by the legislative body in such amounts, in such proportion and upon such terms as the legislative body may determine. All funds derived from such appropriation or tax shall be turned over to the riverport authority for the purpose of carrying out the duties and powers of the authority.
KRS 65.580