Cal. INS § 1764.2

No surplus line broker shall issue any evidence of insurance or cause or purport to cause any risk to be insured by a nonadmitted insurer or advise any home state insured or home state insured applicant for insurance that coverage has been or will be obtained from a nonadmitted insurer unless: (a) The broker has prior written authority from the nonadmitted insurer to cause the risk to be insured; (b) The broker has received advice in the ordinary course of business that the coverage has been obtained; or (c) A policy of insurance covering the insured for the risk has actually been issued by the nonadmitted insurer and delivered to the insured or his or her representative.