Section 5-345. Damage maps to be prepared

When the mayor shall authorize the
  acquisition   of   additional  real  property  in  connection  with  any
  improvement, the mayor shall cause to be prepared and  shall  approve  a
  map  showing  the  real  property to be acquired for the improvement and
  such additional real property in connection with the real property to be
  acquired for the improvement, and such map shall be filed, prior to  the
  application  to  condemn  the  same, as follows: One copy thereof in the
  office in which conveyances of real property are required by law  to  be
  recorded  in  each county in which the real property or any part thereof
  shown on such map is situated; one copy thereof in  the  office  of  the
  corporation  counsel; one copy thereof in the office of the president of
  each borough in which the real property or any  part  thereof  shown  on
  such map is situated; and one copy thereof in the office of the mayor.