Cal. Ins. Code § 11532.3
Notice of all meetings of members whether annual or special shall be given in writing to the members entitled to vote by the secretary, or an assistant secretary, or other person charged with that duty, or if there be no such officer, or in case of his neglect or refusal, by any director or member. At the option of the insurer such notice may be imprinted on premium notices or receipts or on both.
A notice may be given by such insurer to any member either personally, or by mail, or other means of written communication, charges prepaid, addressed to such member at his address appearing on the books of the insurer, or given by him to the insurer for the purpose of notice. If a member gives no address, notice shall be deemed to have been given him if sent by mail or other means of written communication addressed to the place where the principal office of the insurer is situated, or if published at least once in some newspaper of general circulation in the county in which said office is located.
Notice of any meeting of members shall be sent to each member entitled thereto not less than seven days before such meeting, unless the bylaws provide otherwise.
Notice of any meeting of members shall specify the place, the day, and the hour of the meeting and the general nature of the business to be transacted.
Notice of an annual meeting to be held at the time and place specified in Section 11532.1 shall be sufficiently given if published at least once in each of four successive weeks in a newspaper of general circulation in the county in which the principal office of such insurer is located, and if so published no other notice of such meeting shall be required.
Ca. Ins. Code § 11532.3