Cal. Health & Safety Code § 1358.20
(a) An issuer, directly or through solicitors or other representatives, shall do each of the following:
(3) Display prominently by type, stamp, or other appropriate means, on the first page of the outline of coverage and contract, the following:
“Notice to buyer: This Medicare supplement contract may not cover all of your medical expenses.”
(b) In addition to the practices prohibited by this code or any other law, the following acts and practices are prohibited: