N.Y. County Law § 260

§ 260. Review. Any interested party, including a city or village, or a\ntown board or board of commissioners on behalf of a district, aggrieved\nby the final determination or order made by the board of supervisors\nestablishing the district or authorizing the increase and improvement of\nfacilities previously authorized for an existing district, may make\napplication for review of any and all of the final determinations made\nby the board of supervisors in connection with the proceeding\nestablishing the district or authorizing the increase and improvement of\nfacilities previously authorized for an existing district in the manner\nprovided in article seventy-eight of the civil practice law and rules\nprovided that application for review is made within thirty days from the\ndate of the recording of the order establishing the district or\nauthorizing the increase and improvement of facilities previously\nauthorized for an existing district in the office of the clerk of the\ncounty. Unless such application is made within thirty days as aforesaid,\nthe order establishing the district or authorizing the increase and\nimprovement of facilities previously authorized for an existing district\nshall be final and conclusive. In the event that upon such review there\nshall be any modification by the court of such final determination or\norder, the clerk of the board of supervisors shall cause such order to\nbe recorded and certified copies thereof filed in the same places as was\nthe determination or order appealed from.\n