Health and Safety Code section 18

“Signature” or “subscription” includes mark when the signer or subscriber can not write, such signer’s or subscriber’s name being written near the mark by a witness who writes his own name near the signer’s or subscriber’s name; but a signature or subscription by mark can be acknowledged or can serve as a signature or subscription to a sworn statement only when two witnesses so sign their own names thereto.

Source: Section 18, https://leginfo.­legislature.­ca.­gov/faces/codes_displaySection.­xhtml?lawCode=HSC§ionNum=18.­ (updated Jan. 1, 1939; accessed Jun. 16, 2025).

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Jun. 16, 2025

§ 18's source at ca​.gov