Cal. Sts. & High. Code § 27561

An executed copy of each agreement and lease shall be filed in the office of the Secretary of State, who may receive one dollar ($1) for each copy filed with the Secretary of State. The filing constitutes notice to any subsequent judgment creditor or any subsequent purchaser. Each vehicle so purchased or leased shall have the name of the owner or lessor plainly marked on both sides of the vehicle followed by the appropriate words “Owner and Lessor” or “Owner and Vendor,” as the case may be.