N.Y.C. Admin. Code § 27-288: § 27-288 Scope.

The provisions of this article establish building access requirements; shall regulate the division of the city of New York into fire districts and control the occupancy groups and construction classes permitted therein; shall regulate permissible building areas, height and projections beyond the street line and shall establish special flood hazard areas and a regulatory flood datum in the city of New York and regulate permissible occupancies and construction or other improvement below such flood datum within such flood hazard areas.