Cal. Ins. Code § 1729.5
A property broker-agent, casualty broker-agent, or life agent who has a service contract with a corporation licensed under this code or who is a stockholder or member of any incorporated association or corporation organized under the Corporations Code for the purpose of providing services to property broker-agents, casualty broker-agents, or life agents may use the name of that corporation or association on any stationery or advertisements and other written or printed matter used to identify the business of the property broker-agent, casualty broker-agent, or life agent provided that the name of the property broker-agent, casualty broker-agent, or life agent is clearly identified as bearing only that relationship to the corporation or association in one of the following ways:
"Representing ____;"
"A stockholder of ____;"
"Placing business through ____;"
"Using services of ____."
The use of the corporation or association name in the manner provided in this section shall not constitute such use as would mislead the public within the meaning of Section 1724.5.
Ca. Ins. Code § 1729.5