The formal declaration of a subscribing witness about the execution of an instrument
Any photocopy attached to a deed
A county clerk’s statement of official character
A promise by a signer that the contents are legally enforceable
Official source: Notary Public License Law (March 2026)
Reference: Legal Terms & Definitions
Source checked September 7, 2026
Correct Answer
A. The formal declaration of a subscribing witness about the execution of an instrument
Detailed Explanation
Proof is witness-based, not principal-based. The booklet defines “Proof” as the formal declaration made by a subscribing witness to the execution of an instrument, including that the witness knew the person described and saw the execution. Not to be confused with an acknowledgment, which is the principal’s own declaration.
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