N.Y. RPP Law § 310

§ 310. Authentication of acknowledgments and proofs made within the\nstate. 1. When a certificate of acknowledgment or proof is made, within\nthis state, by a commissioner of deeds, a justice of the peace, town\ncouncil member, village police justice, or a judge of any court of\ninferior local jurisdiction, such certificate does not entitle the\nconveyance so acknowledged or proved to be read in evidence or recorded\nin any county of this state except a county in which the officer making\nsuch certificate is authorized to act at the time of making the same,\nunless such certificate is authenticated by a certificate of the clerk\nof such county; provided, however, that all certificates of\nacknowledgment or proof, made by a commissioner of deeds of the city of\nNew York residing in any part therein, shall be authenticated by the\nclerk of any county within said city, in whose office such commissioner\nof deeds shall have filed a certificate under the hand and seal of the\ncity clerk of said city, showing the appointment and term of office of\nsuch commissioner; and no other certificates shall be required from any\nother officer to entitle such conveyance to be read in evidence or\nrecorded in any county of this state.\n 2. Except as provided in this section, no certificate of\nauthentication shall be required to entitle a conveyance to be read in\nevidence or recorded in this state when acknowledged or proved before\nany officer designated in section two hundred ninety-eight of this\narticle to take such acknowledgment or proof, nor shall such\nauthentication be required for recording in the office of the city\nregister of the city of New York of such acknowledgment or proof by a\ncommissioner of deeds of the city of New York.\n