1203.5.3 Openings on yards or courts.
BC § 1203.5.3
Natural ventilation shall be provided by openings to a public street, space, alley, park, highway, or right-of-way; or upon a yard, court, plaza, or space above a setback where such yard, court, plaza, or space above a setback complies with Section 1206. No such opening shall be on a recess of less than 6 feet (1828.8 mm) in width. Exceptions: 1. Openings providing natural ventilation to habitable spaces located in basements or cellars shall also comply with the applicable provisions of Sections 27-2081 through 27-2087 of the New York City Housing Maintenance Code and Sections 26(8) and 34 of the New York State Multiple Dwelling Law.
2.A kitchenette, a bathroom, or a water closet compartment may be located on a recess of less than 6 feet (1828.8 mm) in width.
