2006 New York Code - Location Of Water Closets.

 
    §  27-2063  Location of water closets. a. Water closets are prohibited
  in any yard, court or other open space. The owner shall remove any  such
  existing  water  closet  or  other  similar  receptacle  and,  under the
  direction of the department, disinfect the area  where  such  receptacle
  was located.
    b.  Water  closets are prohibited in a cellar or basement, unless they
  are either provided for lawful cellar and basement  dwelling  units,  or
  are supplementary to water closets required under the provisions of this
  article.
    c.  In  any  apartment,  a  water  closet  may be placed in a separate
  compartment or in a bathroom.
    d. In any apartment, no more than one water  closet  shall  be  placed
  within a single compartment.
    e.  In  a  class A multiple dwelling, a general toilet room containing
  more than one water closet is prohibited, unless such water closets  are
  supplementary  to  the  facilities required for each apartment, or serve
  the nonresidential portions of the premises.
    f. In a multiple dwelling erected  after  April  eighteenth,  nineteen
  hundred  twenty-nine,  no  water  closet located within a compartment or
  bathroom may open into any kitchen or kitchenette.