N.Y. County Law § 280-K
Any interested party, including a village, or a town board or board of commissioners on behalf of an existing district, aggrieved by the final determination or order made by the governing body establishing the district, may make application for review of any and all of the final determinations made by the governing body in connection with the proceeding in the manner provided in article seventy-eight of the civil practice law and rules provided that application for review is made within thirty days from the date of the recording of the order establishing the district in the office of the clerk of the county. Unless such application is made within thirty days as aforesaid, the order establishing the district shall be final and conclusive. In the event that upon such review there shall be any modification by the court of such final determination or order, the clerk of the governing body shall cause such order to be recorded and certified copies thereof filed in the same places as was the determination or order appealed from.
N.Y. CountyLaw § 280-K