N.Y. Multiple Residence Law § 203

§ 203. Egress from apartments. 1. There shall be at least one means of\negress from each apartment or suite on each and every story of such\napartment or suite, and a second means of egress if the first means is\nnot within forty feet of every living room in such apartment or suite on\nsuch story.\n 2. No means of egress from any apartment or suite shall open into any\nstair or fire-stair required under the provisions of this section except\nthrough a vestibule or public hall.\n