N.Y. Village Law § 14-1404
The board of sewer commissioners may sell to a corporation, or to an individual, the right to make connection with its sewerage system for the purpose of discharging sewage or wastewater therein from outside the village limits, and fix the term, consideration and conditions therefor. The board shall not sell nor permit the use of its sewerage system under this section if thereby such system will be rendered inadequate for the village or its inhabitants. The term "corporation" shall mean a corporation as defined in section one hundred two of the business corporation law. The board of sewer commissioners of any village may contract with the state of New York or with the state authority having control and supervision of any state institution, and the state of New York or the state authority having control and supervision of any state institution may contract with the board of sewer commissioners of any village, to provide sewerage and sewage disposal facilities for the conveyance, treatment and disposal of the sewage or wastewater of such state or state institution either within or without the corporate limit of said village on such conditions and conveying such powers to the state or such state authority and for such consideration and such period of time as said sewer commissioners and the state of New York or such state authority may agree. The board of sewer commissioners of any village may contract with the United States of America or with the federal agency, administration or authority having control and supervision of any federal institution or installation to provide sewerage and sewage disposal facilities for the conveyance, treatment and disposal of the sewage or wastewater of such federal institution or installation either within or without the corporate limits of the village on such conditions, for such consideration and for such period of time as said sewer commissioners and the United States of America or such federal agency, administration or authority may agree.
N.Y. Village Law § 14-1404