The revenue bonds and interest thereon shall be payable solely from a special fund or account of the city, and from such revenues as may be pledged to be set aside therein from permissible sources, as authorized and provided in KRS 82.140 to 82.165, and shall not constitute indebtedness of the city. It shall be stated plainly on the face of each bond that it has been issued under the provisions of KRS 82.105 to 82.180, and that it does not constitute an indebtedness of the city within the meaning of the Constitution.
KRS 82.140