By using TWO credible witnesses whom you do not personally know.
By the oath of ONE credible witness whom you personally know, who presents a valid ID, and who personally knows the Subscribing Witness.
By checking their valid US Passport.
By having the principal call you to verify the Subscribing Witness's identity.
Official source: 2026 California Notary Public Handbook (2026)
Reference: Identification/Subscribing Witness Notarizations
Source checked September 7, 2026
Correct Answer
B. By the oath of ONE credible witness whom you personally know, who presents a valid ID, and who personally knows the Subscribing Witness.
Detailed Explanation
Subscribing Witness identification chain. The identity of a subscribing witness MUST be established by the oath of a single credible witness whom the notary public personally knows and who personally knows the subscribing witness. This requires a strict chain of personal knowledge.
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