Cal. Insurance Code § 1861.15

(a) An insurer issuing policies as described in subdivision (a) of Section 660, shall, as a condition of obtaining and maintaining a certificate of authority to transact the business of insurance in this state, offer to persons who qualify for a good driver discount pursuant to Sections 1861.02 and 1861.025, automobile liability coverage in the minimum financial responsibility coverage amounts specified in subdivision (a) of Section 16056 of the Vehicle Code, and sell that coverage to those who request it. (b) In soliciting the issuance or renewal of a policy of automobile liability insurance, an insurer, broker, agent, or any other employee of the insurer shall disclose to persons eligible for a good driver discount the minimum financial responsibility coverage amounts required pursuant to Section 16056 of the Vehicle Code, and that the insurer is legally required to furnish coverage in those minimum amounts, if requested. (c) Nothing in this section shall be construed to affect any obligation imposed on any insurer by law to offer and sell any other kind or amount of insurance. (d) This section does not apply to any insurer that, on November 7, 1988, did not offer to sell a minimum financial responsibility policy as described in subdivision (a) and that did not write more than 1 percent of the private passenger automobile liability policies in effect on November 7, 1988.