N.Y. Exec. Law § 133

§ 133. Certification of notarial signatures. The county clerk of a\ncounty in whose office any notary public has qualified or has filed his\nautograph signature and a certificate of his official character, shall,\nwhen so requested and upon payment of a fee of fifty cents affix to any\ncertificate of proof or acknowledgment or oath signed by such notary\nanywhere in the state or New York, a certificate under his hand and\nseal, stating that a commission or a certificate of his official\ncharacter with his autograph signature has been filed in his office, and\nthat he was at the time of taking such proof or acknowledgment or oath\nduly authorized to take the same; that he is well acquainted with the\nhandwriting of such notary public or has compared the signature on the\ncertificate of proof or acknowledgment or oath with the autograph\nsignature deposited in his office by such notary public and believes\nthat the signature is genuine. An instrument with such certificate of\nauthentication of the county clerk affixed thereto shall be entitled to\nbe read in evidence or to be recorded in any of the counties of this\nstate in respect to which a certificate of a county clerk may be\nnecessary for either purpose.\n