Section 269. Increase of maximum amount to be expended

At any time after
  the establishment of a district pursuant to this  article,  the  maximum
  amount authorized to be expended for the original improvement or for the
  original  improvement, the plans for which have been amended or modified
  pursuant to section two hundred fifty-three-a of this article,  in  such
  district may be increased by a resolution of the board of supervisors on
  its  own motion or provided a petition requesting such increase executed
  and acknowledged in accordance with section two hundred  fifty-three  of
  this  article is presented to the board of supervisors, and provided the
  board of supervisors shall, after a public hearing called  and  held  in
  the manner prescribed by section two hundred fifty-four of this article,
  determine that it is in the public interest to authorize the increase of
  such  maximum  amount  and  provided  that  whenever  it  is proposed or
  required that the county in which such district is located shall finance
  the cost thereof by the issuance of the bonds,  notes,  certificates  or
  other  indebtedness  of the county therefor, or shall assume the payment
  of annual installments of debt service on obligations issued to  finance
  the  cost  of  facilities,  pursuant to section two hundred sixty-two of
  this article, and the cost to the typical property or, if different, the
  cost to the typical  one  or  two  family  home  is  above  the  average
  estimated  cost to the typical properties or homes for the establishment
  of similar types of districts as may be annually computed by  the  state
  comptroller,  the  comptroller of the state of New York shall have made,
  prior to such public hearing, an order approving the  increase  of  such
  maximum  amount  as  stated  in the motion or petition. The order of the
  comptroller shall be prepared in duplicate and one copy thereof filed in
  the office of the department of audit and control and the other copy  in
  the  office  of  the  clerk of the board of supervisors of the county in
  which the district is located.
    If zones of assessment have been established, such resolution  of  the
  board  of  supervisors shall provide for the allocation of such increase
  as between such zones of assessment,  and  the  notice  of  such  public
  hearing shall state such allocation.
    The  resolution  of  the  board  of  supervisors shall be subject to a
  permissive referendum in the same manner and extent as provided  for  in
  section two hundred fifty-six of this article.