N.Y. Gen. Bus. Law § 355
The order for such examination must be signed by the justice making it and service of a copy thereof with an endorsement by the attorney-general signed by him or his deputy, to the effect that the person named therein is required to appear and be examined at the time and place and before the justice or referee specified in such endorsement, shall be sufficient notice for the attendance of witnesses. Such endorsement may contain a clause requiring such person to produce at such examination all books, papers and documents in his possession or under his control relating to the subject of such examination. The order shall be served upon the person named in the endorsement aforesaid by delivering to and leaving with him a certified copy thereof, endorsed as above provided, subject to the payment of witness fees and mileage as and when provided to be paid by section three hundred fifty-two, subdivisionthree of this article in connection with attendance pursuant to subpoenas authorized to be issued under said action. Service of an order pursuant to section three hundred fifty-four of this article may be made under section three hundred fifty-two-b of this article in cases falling thereunder.
N.Y. Gen. Bus. Law § 355