For a proof of execution, what must be verified?

• A. Identity.
• B. The notarization date.
• C. That the signing occurred in the notary’s presence.
• D. That the signer signed on behalf of the principal.

Answer: (D)

The key idea is verifying authority to sign for the principal. In a proof of execution, the notary certifies that the person who signed the document did so in a representative capacity—that is, the signer had the authority to sign on behalf of the principal. This ensures the signature truly represents the principal’s intent and binds the principal to the document, even if the signer is not the principal themselves or did not sign in the notary’s presence. The notarization date and the signer’s physical presence are not the defining factors, and while identity matters in other contexts, proof of execution centers on the signer’s authority to act for the principal.