2006 New York Code - City Real Property; Sale Of.

 
    §  4-109  City  real  property; sale of. City real property, including
  buildings, fixtures and machinery therein, shall be sold in  the  manner
  prescribed  in subdivision b of section three hundred eighty-four of the
  charter pursuant to a resolution adopted by the board of  estimate,  and
  such  sale  shall  be  under the sole supervision of such board. In case
  such buildings, fixtures and machinery be sold at  public  auction,  the
  board  of  estimate  may  provide  as a condition of such sale that such
  buildings, fixtures or machinery shall not in any case be  relocated  or
  re-erected  within  the  lines  of  any  proposed street or other public
  improvement, and if after such sale such buildings or parts of buildings
  or other structures be relocated or re-erected within the lines  of  any
  proposed  street  or  other  public  improvement,  title  thereto  shall
  thereupon become vested in the city and a resale at  public  or  private
  sale may be made in the same manner as if no prior sale had been made of
  the same.