N.Y. RPP Law § 312

§ 312. Contents of certificate of authentication. 1. An officer\nauthenticating a certificate of acknowledgment or proof must subjoin or\nattach to the original certificate a certificate under his hand.\n 2. When the certificate of acknowledgment or proof is made by a notary\npublic, without the state but within the United States or within any\nterritory, possession, or dependency of the United States, or within any\nplace over which the United States, at the time when such acknowledgment\nor proof is taken, has or exercises jurisdiction, sovereignty, control,\nor a protectorate, the certificate of authentication must state in\nsubstance that, at the time when such original certificate purports to\nhave been made, the person whose name is subscribed to the certificate\nwas such officer as he is therein represented to be.\n In every other case the certificate of authentication must state in\nsubstance (a) that, at the time when such original certificate purports\nto have been made, the person whose name is subscribed to the original\ncertificate was such officer as he is therein represented to be; (b)\nthat the authenticating officer is acquainted with the handwriting of\nthe officer making the original certificate, or has compared the\nsignature of such officer upon the original certificate with a specimen\nof his signature filed or deposited in the office of such authenticating\nofficer, or recorded, filed, or deposited, pursuant to law, in any other\nplace, and believes the signature upon the original certificate is\ngenuine; and (c), if the original certificate is required to be under\nseal, that the authenticating officer has compared the impression of the\nseal affixed thereto with a specimen impression thereof filed or\ndeposited in his office, or recorded, filed, or deposited, pursuant to\nlaw, in any other place, and believes the impression of the seal upon\nthe original certificate is genuine.\n 3. When such original certificate is made pursuant to paragraph (e) of\nsubdivision one of section two hundred ninety-nine of this article, such\ncertificate of authentication must also specify that the person making\nsuch original certificate, at the time when it purports to have been\nmade, was authorized, by the laws of the state, District of Columbia,\nterritory, possession, dependency, or other place where the\nacknowledgment or proof was made, to take the acknowledgment or proof of\ndeeds to be recorded therein.\n 4. When such original certificate is made pursuant to subdivision\nseven of section three hundred one of this chapter, such certificate of\nauthentication must also specify that the person making such original\ncertificate, at the time when it purports to have been made, was\nauthorized, by the laws of the country where the acknowledgment or proof\nwas made, to take acknowledgments of conveyances of real estate or to\nadminister oaths in proof of the execution thereof.\n