Section 299-R. 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 ninety-nine-n of this article,  in  such
  district  may  be increased by resolution of the board of supervisors or
  county legislature and provided said body shall, after a public  hearing
  called  and  held  in  the  manner  prescribed  by  section  two hundred
  fifty-four of this chapter, determine that it is in the public  interest
  to  authorize  the  increase  of  such  maximum  amount and provided 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.
  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 county in which the
  district is located.