N.Y.C. Admin. Code § 28-118.19.1: § 28-118.19.1 Replacement of posted certificates of occupancy and signs.

All posted certificates of occupancy, partial certificates of occupancy, temporary, including interim, certificates of occupancy or signs, as applicable, shall not be removed or defaced and, if lost, removed or defaced, shall be immediately replaced. The commissioner may inspect or cause to be inspected periodically all buildings for compliance with the provisions of this code in regard to posting; and the inspection reports shall specify any violation thereof.