2006 New York Code - Water Saving Plumbing Fixtures.

 
    §  24-339  Water Saving Plumbing Fixtures. a. It shall be unlawful for
  any person to distribute, sell, offer for sale, import  or  install  any
  plumbing  fixture  which  does  not  meet  the  standards of subdivision
  P.104.2 of section P.104.0 of reference standard RS sixteen.
    b. An owner who has installed a shower head in a class A dwelling unit
  which meets the standards of subdivision P.104.2 of section  P.104.0  of
  reference  standard RS sixteen shall not be required to replace any such
  device which is stolen, removed, missing or rendered  inoperable  during
  the  occupancy of such dwelling unit but shall replace such device prior
  to  the  commencement  of  a  new  occupancy  of  such  dwelling   unit.
  Notwithstanding  the provisions of section 27-2005, it shall be the sole
  duty of the occupant of  each  dwelling  unit  in  a  class  A  multiple
  dwelling  in which such a shower head has been provided and installed by
  the owner to replace such devices  which  are  either  stolen,  removed,
  missing  or  rendered  inoperable  during the occupancy of such dwelling
  unit. The meaning of terms used in this subdivision shall be as  defined
  in chapter two of title twenty-seven of this code.