Unless otherwise provided by law, the majority of the members of a nonelective governmental body, or of a committee or subcommittee of a governmental body, whether that body is elective or not, shall not have a financial interest, either personally or through a member of their immediate family or a business with which they are associated, other than an interest of a de minimis nature or an interest that is not distinct from that of the general public, in matters subject to the jurisdiction of the body or committee or subcommittee.