New York Consolidated Laws, Executive Law - EXC § 133. Certification of notarial signatures

The county clerk of a county in whose office any notary public has qualified or has filed their autograph signature and a certificate of official character, shall, when so requested and upon payment of a fee of three dollars, affix to any certificate of proof or acknowledgment or oath signed by such notary anywhere in the state of New York, a certificate under their hand and seal, stating that a commission or a certificate of official character of such notary with their autograph signature has been filed in the county clerk's office, and that the county clerk was at the time of taking such proof or acknowledgment or oath duly authorized to take the same;  that the county clerk is well acquainted with the handwriting of such notary public or has compared the signature on the certificate of proof or acknowledgment or oath with the autograph signature deposited in their office by such notary public and believes that the signature is genuine.  An instrument with such certificate of authentication of the county clerk affixed thereto shall be entitled to be read in evidence or to be recorded in any of the counties of this state in respect to which a certificate of a county clerk may be necessary for either purpose.  In addition to the foregoing powers, a county clerk of a county in whose office a notary public has qualified may certify the signature of an electronic notary public, registered with the secretary of state pursuant to section one hundred thirty-five-c of this article, provided such county clerk has received from the secretary of state, an exemplar of the notary public's registered electronic signature.