In M1-5M and M1-6M Districts in Manhattan Community Districts 1, 2, 3, 4, 5 and 6, the conversion to dwelling units of non-residential buildings, or portions thereof, erected prior to December 15, 1961, shall be subject to the provisions of Article I, Chapter 5 (Residential Conversion Within Existing Buildings).

In M1-5M and M1-6M Districts, eating or drinking establishments, where such establishments provide entertainment with a cover charge or specified showtime, or includes a dance floor, and has a capacity of more than 200 persons, are permitted only by special permit of the Board of Standards and Appeals in accordance with Section 73-162.