N.Y. Multiple Dwelling Law § 51-a: Peepholes

§ 51-a. Peepholes. In every multiple dwelling the owner shall provide

and maintain a peephole in the entrance door of each housing unit. Such

peephole shall be located, as prescribed by the department, but shall be

so located as to enable a person in such housing unit to view from the

inside of the entrance door any person immediately outside of the

entrance door to such housing unit. The provisions of this section shall

not apply to hotels or apartment hotels or to college or school

dormitories.