It shall be unlawful to use or to permit the use of any building, structure, premises, lot or land, or part thereof, hereafter erected or altered, enlarged or moved, or put into use, in whole or in part, after the effective date of this chapter, or any building, structure, premises, lot or land, or part thereof of which the use is changed, until a certificate of occupancy has been obtained by the owner, as provided for under the Building Code.

No certificate of occupancy shall be issued for any building, structure, premises, lot or land unless the erection, construction, structural alteration, restoration, repair, or moving of any building or structure or part thereof and the intended use thereof are in conformity in all respects with the provisions of this chapter.