2006 New York Code - Entrance Doors.

    §  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.

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