N.Y. Public Authorities Law § 1147-K
5. Any resolution or resolutions authorizing bonds or any issue of bonds by the authority may contain provisions which may be part of the contract with the holders of the bonds thereby authorized as to:
10. The authority, subject to such agreements with bondholders as then may exist, shall have power out of any moneys available therefor to purchase bonds of the authority in lieu of redemption, at a price not exceeding: