N.Y. Insurance Law § 4238
(b) No authorized insurer shall deliver or issue for delivery in this state any group annuity contract except the following:
(9) A contract issued to an association, or the trustee or trustees of a trust established, or participated in, by one or more associations, which permits all of the members of the associations, or all of any specified class or classes thereof, to become annuitants subject to the following: each association shall have:
(10) A contract issued to any organization, or the trustee or trustees of a trust established, or participated in, by one or more of such organizations which permits certain persons to become annuitants subject to the following: