The board shall, prior to exercising authority granted pursuant to Section 20577, and to the extent consistent with its fiduciary duties, consider and exhaust all options and necessary actions, including evaluating whether to bring a civil action against any and all of the member agencies that are parties to a terminated agency formed by an agreement under Chapter 5 (commencing with Section 6500) of Division 7 of Title 1 to compel payment of the terminated agency’s retirement

obligations, and shall be entitled to reasonable attorney’s fees in addition to other costs.