New York Multiple Residence Law Section 203 - Egress from apartments.

 203. Egress from apartments. 1. There shall be at least one means of
  egress  from  each  apartment  or  suite on each and every story of such
  apartment or suite, and a second means of egress if the first  means  is
  not within forty feet of every living room in such apartment or suite on
  such story.
2.  No means of egress from any apartment or suite shall open into any
  stair or fire-stair required under the provisions of this section except
  through a vestibule or public hall.

Last modified: February 3, 2019