New York Laws
Title 3 - Fire Hazard
265 - Fire Wall.

§ 265. Fire wall. "Fire wall" means a wall which subdivides a building
or separates buildings to restrict the spread of fire, and which starts
at the foundation and extends through all stories to or above the roof
as may be specified in the rules of the board. The board shall determine
and specify in its rules the material and the manner of construction and
erection of fire walls and the nature and extent of the protection to be
afforded to openings therein.

Structure New York Laws