(a) Subject to the provisions of subdivision (b), any expenditure by a committee not subject to the trust imposed by subdivision (b) of Section 89510 shall be reasonably related to a political, legislative, or governmental purpose of the committee.
(b) Any expenditure by a committee that confers a substantial personal benefit on any individual or individuals with authority to approve the expenditure of campaign funds held by the committee, shall be directly related to a political, legislative, or governmental purpose of the committee.