N.Y. Pub. Auth. Law § 569-C
Notwithstanding any provision of this title or any other provision of law, general, special or local, the authority shall, at the direction of the metropolitan transportation authority, from time to time transfer and pay over all or any part of its surplus funds to (a) metropolitan transportation authority or (b) New York city transit authority, all in accordance with the provisions of subdivision twelve of section five hundred fifty-three of this title and the determination of the proportional allocation of such amounts of surplus funds so deposited as between the New York city transit authority and the commuter railroads operated by metropolitan transportation authority shall be governed by the provisions of section twelve hundred nineteen-a of this chapter and the authority may accept and use any moneys transferred and paid over to it by metropolitan transportation authority or New York city transit authority.
N.Y. Pub. Auth. Law § 569-C