Civil Code § 1185.
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(b) For the purposes of this section “satisfactory evidence” means the absence of any information, evidence, or other circumstances that would lead a reasonable person to believe that the person making the acknowledgment is not the individual he or she claims to be and any one of the following:

            (1) (A) The oath or affirmation of a credible witness personally known to the officer, whose identity is proven to the officer upon presentation of any document satisfying the requirements of paragraph (3) or (4), that the person making the acknowledgment is personally known to the witness and that each of the following are true:

                        (i) The person making the acknowledgment is the person named in the document.

                        (ii) The person making the acknowledgment is personally known to the witness.

                        (iii) That it is the reasonable belief of the witness that the circumstances of the person making the acknowledgment are such that it would be very difficult or impossible for that person to obtain another form of identification.

                        (iv) The person making the acknowledgment does not possess any of the identification documents named in paragraphs (3) and (4).

                        (v) The witness does not have a financial interest in the document being acknowledged and is not named in the document.

                 (B) A notary public who violates this section by failing to obtain the satisfactory evidence required by subparagraph (A) shall be subject to a civil penalty not exceeding ten thousand dollars ($10,000). An action to impose this civil penalty may be brought by the Secretary of State in an administrative proceeding or any public prosecutor in superior court, and shall be enforced as a civil judgment. A public prosecutor shall inform the secretary of any civil penalty imposed under this subparagraph.