Section 5-435. Street closing and acquisition maps; certification and filing of

a. When the maps described in subdivision three of section 5-433  of  this  subchapter shall have been adopted, as therein provided, such maps
  shall be certified in the manner provided by law for  the  certification
  of  similar  maps  adopted  by the board of estimate. One of the maps so
  certified shall be filed by the agency requesting the discontinuance  or
  closing,  and  shall  remain  of record in its office. The second map so
  certified shall be filed by such agency in the office of the corporation
  counsel. The third map shall be filed by  such  agency,  and  remain  of
  record in the office in which instruments affecting real property in the
  county  in  which  the  closed street may be situated are required to be
  recorded. Such map shall be final and conclusive upon the city and  upon
  all persons whomsoever.
    b. When the maps described in subdivision one of section 5-434 of this
  subchapter  shall  have  been approved and certified, such maps shall be
  filed by the agency requesting  the  acquisition  in  the  same  offices
  specified in subdivision a of this section.
    c.  Street  closing  and  acquisition maps required to be filed in the
  office in which instruments affecting real property  in  the  county  in
  which  the  street  to  be  closed and acquired may be situated shall be
  filed on the same date.