A sworn affidavit from their employer
Only a government-issued photo ID
Personal knowledge of the notary, OR satisfactory identification documents
Two additional credible witnesses
Official source: 2026 California Notary Public Handbook (2026)
Reference: Identification/Subscribing Witness Notarizations
Source checked September 7, 2026
Correct Answer
C. Personal knowledge of the notary, OR satisfactory identification documents
Detailed Explanation
A subscribing witness proves their identity to the notary through either (1) the notary's personal knowledge of the witness, or (2) satisfactory evidence of identity (ID or credible witnesses). The subscribing witness then swears to knowing the principal signer.
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