N.Y. Business Corporation Law § 905
(a) Any domestic corporation owning at least ninety percent of the outstanding shares of each class of another domestic corporation or corporations may either merge such other corporation or corporations into itself without the authorization of the shareholders of any such corporation or merge itself and one or more of such other corporations into one of such other corporations with the authorization of the parent corporation's shareholders in accordance with paragraph (a) of section 903 (Authorization by shareholders). In either case, the board of such parent corporation shall adopt a plan of merger, setting forth:
(c) A certificate of merger, entitled "Certificate of merger of ..... into ..... (names of corporations) under section 905 of the Business Corporation Law", shall be signed and delivered to the department of state by the surviving corporation. If the surviving corporation is the parent corporation and such corporation does not own all shares of each subsidiary corporation to be merged, such certificate shall be delivered not less than thirty days after the giving of a copy or outline of the material features of the plan of merger to shareholders of each such subsidiary corporation, or at any time after the waiving thereof by the holders of all of the outstanding shares of each such subsidiary corporation not owned by the surviving corporation. The certificate shall set forth: