New York Laws
Title 1 - Light and Air
107 - Entrance Doors.

ยง 107. Entrance doors. Every door giving access to an entrance hall
from outside the dwelling shall contain at least five square feet of
glazed surface. Every such door shall open outwardly. The width of every
such door shall be at least forty-four inches. However, when double
doors are provided each of the doors separately shall be at least two
feet six inches.