Notwithstanding any other provision of law, a transit district may not provide any life, accident, or health insurance plan to any member or former member of the governing board of the district who first served as a member of the governing board after January 1, 1989, that exceeds the benefits provided to full-time active or retired district employees. The terms, conditions, or contributions applicable to any plan provided for employees shall also apply to any plan provided for those members of the governing board.