2006 New York Code - Ramps.

 
    §  27-308 Ramps.--(a) When a building erected prior to December sixth,
  nineteen hundred sixty-nine is altered to provide access to  individuals
  who  use wheelchairs, ramps constructed to provide such access may, with
  the approval of the commissioner, project beyond the street line  for  a
  distance of not more than forty-four inches.
    (b)  Ramps  shall  comply  with the applicable provisions of reference
  standard RS 4-6.