N.Y. GMU Law § 120-C

§ 120-c. Obligations and privileges relating to sewerage contracts.\nSuch sewer system, extension or part thereof shall, when accepted under\nsuch contract, and such works, plants or stations, may if so provided\ntherein, pass into the use, possession, management and control of such\nmunicipality or municipalities, and it or they shall, by proper\nprovision in the said contract, subject such contract to its or their\nright at any time to terminate all its or their liability under the same\nfor such rental by paying for such system, extension or part thereof a\nprice named therein or to be determined in accordance with the\nprovisions thereof, and it or they map by proper provision in such\ncontract, covenant to terminate its or their liability in such manner at\na time or within a period named therein, but the sum or rental to be\npaid for such use and possession or the price which must be paid for\nsuch system, extension or part thereof in order to terminate the\nliability of such municipality or municipalities under such contract,\nshall not be fixed by said contract beyond a period of thirty years,\nafter which and at any time thereafter, if such municipality or\nmunicipalities shall not have terminated its or their liability under\nsaid contract, the sum or rental to be paid for the continued use and\npossession of such system, extension or part thereof or the price at\nwhich the same must be paid for in order to terminate such liability,\nwhich sum or rental and which price shall be based on the value of such\nsystem, extension or part thereof at any such time, shall be fixed by\nagreement, or in the absence of agreement by application to a competent\ncourt and under its order, but each such agreement or order shall be\nlimited to a period not exceeding ten years. And such local authorities\nmay also at any time contract for the maintenance and operation of any\nsuch system, extension or part thereof, including any such works, plants\nor stations or of any sewerage or sewage disposal system or part thereof\nowned or used by any such municipality or municipalities.\n