N.Y. Multiple Residence Law § 215: Interior water-closets and bathrooms

§ 215. Interior water-closets and bathrooms. 1. Except as otherwise

provided in this section, water-closets, bath and shower rooms may be

ventilated by windows or mechanically ventilated as prescribed in

section one hundred seventy-one.

2. In transiently occupied dwellings there shall be on each story at

least two water-closet compartments for the first twenty living rooms or

fraction thereof and at least one additional water-closet compartment

for each additional fifteen living rooms or fraction thereof.

a. The water-closet compartments on each story shall be accessible

from every such living room on the story. Such water-closet compartments

may be placed in one or more general toilet rooms.

b. Every water-closet compartment of a general toilet containing

water-closet compartments permitted under this subdivision shall have a

window opening to the outer air of the dimensions, kind and location

required in a living room of the same area by section one hundred three,

or be provided with a system of mechanical ventilation as prescribed in

subdivision six of section one hundred seventy-one.