For new uses. After completion of the whole building or structure and upon the sworn application by the owner or his duly authorized agent setting forth such facts as the Code Official may require and after actual inspection of the premises by the Code Official, he shall, upon finding the facts to be as represented, issue in duplicate an occupancy permit, certifying that the premises comply with the provisions of this chapter and may be used for the purposes set forth in the permit, which purposes shall conform to the requirements of this chapter.