No change shall be made in the use of a building or part thereof now or hereafter erected or structurally altered, or in the use of land now or hereafter occupied, without a use permit having first been issued by the Health, Building and Zoning Officer. No such permit shall be issued to make such change unless it is in conformity with the provisions of this chapter and amendments thereto hereafter duly enacted.
('71 Code, § 11-20-4) (Ord. 1413, passed 9-13-60) Penalty, see § 155.999