New York Consolidated Laws, Multiple Residence Law - MRE § 201. Requirements for fireproof construction

a. Elsewhere than within, or in the openings to, the public halls, stairs and shafts, the use of wood for sleepers, grounds, nailing blocks, underflooring, finish flooring, interior doors with their assemblies and saddles, floor base not more than one foot in height, picture and wall moulding, shelving, closet and kitchen fixtures, cupboards, cabinets and wardrobes.

b. The use of wood for windows and for interior trim and finish backed solidly against, or filled with, incombustible material and elsewhere than within, or in the openings to, the public halls, stairs and shafts.