Cal. Gov. Code § 8921
A person subject to this article has an interest that is in substantial conflict with the proper discharge of his or her duties in the public interest and of his or her responsibilities as prescribed in the laws of this state or a personal interest, arising from any situation, within the scope of this article, if he or she has reason to believe or expect that he or she will derive a direct monetary gain or suffer a direct monetary loss, as the case may be, by reason of his or her official activity. He or she does not have an interest that is in substantial conflict with the proper discharge of his or her duties in the public interest and of his or her responsibilities as prescribed in the laws of this state or a personal interest, arising from any situation, within the scope of this article, if any benefit or detriment accrues to him or her as a member of a business, profession, occupation, or group to no greater extent than any other member of that business, profession, occupation, or group.
Ca. Gov. Code § 8921