New York Laws
Title 1 - Light and Air
109 - Artificial Lighting.

§ 109. Artificial lighting. The owner shall provide a light or lights
in every public hall, stair and fire-stair on every floor so that every
such space shall be lighted adequately.

Structure New York Laws

MRE - Multiple Residence

Article 5 - New Multiple Dwellings--General Provisions

Title 1 - Light and Air

101 - Height and Bulk.

102 - Yards and Courts.

103 - Lighting and Ventilation of Rooms.

104 - Size of Rooms.

105 - Cooking Spaces.

106 - Rooms in Cellars.

107 - Entrance Doors.

108 - Windows and Skylights for Public Halls and Stairs.

109 - Artificial Lighting.