Section 25-447. Madison Avenue business improvement district

a. The city
  council having determined, pursuant to section 25-407 of chapter four of
  this title: that notice of hearing for all hearings required to be  held
  was   published  and  mailed  as  required  by  law  and  was  otherwise
  sufficient; that, except as otherwise  provided  in  section  25-403  of
  chapter  four of this title, all the real property within the boundaries
  of the district will benefit from the  establishment  of  the  district;
  that  all  the  real property benefited is included within the limits of
  the district; and that the establishment  of  the  district  is  in  the
  public  interest;  and  the  council  having determined further that the
  requisite number of owners have not  objected  as  provided  in  section
  25-406 of chapter four of this title, there is hereby established in the
  borough  of Manhattan, the Madison Avenue business improvement district.
  Such district is  established  in  accordance  with  the  district  plan
  required  to  be  filed with the city clerk pursuant to subdivision b of
  this section.
    b. Immediately upon adoption of this local law  by  the  council,  the
  council  shall file with the city clerk the district plan upon which the
  Madison Avenue business improvement district is based.
    c. The district plan shall not be amended except  in  accordance  with
  chapter four of this title.