Miss. Code § 21-29-107
The board of trustees shall fix a time for regular meetings in its minutes, and it shall keep minutes of its meetings which shall be public records, subject to the statutes, rules and regulations governing the board of trustees.
The board shall have the power and duty to promptly hear and pass upon all applications of firemen and/or policemen or the beneficiaries of deceased firemen and of deceased policemen for participation in the benefits of said fund. The board may appoint hearing officers to further its duties hereunder. Said board may hear witnesses, administer oaths, find facts, and make decisions in all matters properly before said board, which decisions shall be final except upon appeals in the way hereafter set forth. Said board may order payments made according to the facts found and the provisions of this article, which payments shall be made as far as funds may be available from each separate municipal fund. Said board shall have the power, with the funds they have on hand, to invest and reinvest funds under the provisions of Section 25-11-121. Such funds may be commingled with other system funds for the most advantageous investments; however, each fund shall have separate accounting status. No warrant shall be drawn against said fund without the approval of a majority of said board.
Miss. Code § 21-29-107