Cal. VEH § 9923

In the absence of the regularly required supporting evidence of ownership upon application for registration or transfer of a vessel, the department may accept an undertaking or bond in the amount of the fair market value of the vessel at the time of the application, as determined by the department, which shall be conditioned to protect the department and all officers and employees thereof and any subsequent purchaser of the vessel, any person acquiring a lien or security interest thereon, or the successor in interest of such purchaser or person, against any loss or damage on account of any defect in or undisclosed claim upon the right, title, and interest of the applicant or other person in and to the vessel.