A. Existing Uses:
1. Continuation: The legal use and occupancy of any structure existing on June 19, 1990, or for which it had been heretofore approved, may be continued without change, except as may be specifically covered in this title or in this code or as may be deemed necessary by the building commissioner for the general safety and welfare of the occupants and the public.
2. Change In Use: It is unlawful to make any change in the use or occupancy of any structure which would subject said structure to any provision of this title without approval of the building commissioner and his certification that such structure meets the intent of the provisions of law governing building construction for the proposed new use and occupancy, and that such change does not result in any greater hazard to public safety or welfare. (1990 Code §16.205)
B. Existing Structures: Existing structures, when altered or required as specified in this subsection, shall be made to conform to the full requirements of this title for new structures. (1990 Code §16.206)