A county clerk certificate verifying the authority of a notary on a proof, acknowledgment, or oath
A notary’s own jurat attached to an affidavit
A Department of State commission card
A certificate used only for electronic notarization
Official source: Notary Public License Law (March 2026)
Reference: Executive Law §133
Source checked September 7, 2026 · Answer reviewed September 7, 2026
Correct Answer
A. A county clerk certificate verifying the authority of a notary on a proof, acknowledgment, or oath
Detailed Explanation
Authentication is the county clerk’s verification of the notary’s authority. In the booklet’s "Authentication (Notarial)" definition and Executive Law §133, it is the county clerk’s certificate attached to a certificate of proof, acknowledgment, or oath signed by a notary. Unlike a certificate of official character, authentication is attached to a particular notarized act.
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