Cal. Corp. Code § 12220

A notice or report mailed or delivered as part of a newsletter, magazine or other organ regularly sent to members shall constitute written notice or report pursuant to this part when addressed and mailed postage prepaid by first or second class mail or delivered to the member, or in the case of members who are residents of the same household and who have the same address on the books of the corporation, when addressed and mailed postage prepaid by first or second class mail or delivered to one of such members, at the address appearing on the books of the corporation.