The governing body of each such city desiring to establish and maintain a fund as authorized in sections two through fourteen of this article shall by ordinance provide for a board of trustees of the fund.

The said board of trustees shall consist of the mayor and four members of the fund, to be appointed by the mayor, with the advice and consent of a majority of the members of the fund. The initial appointments shall be for a term of one, two, three and four years, respectively, after which all appointments shall be for a term of four years.

The presiding officer of the board shall be the mayor, and the secretary thereof shall be appointed by said board. It shall be the duty of such secretary to keep a full and permanent record of all the proceedings of the board, and said board may fix his compensation for this work which shall be paid out of said fund.

The mayor or any three members of the board shall have the power to call a meeting at any time that it is necessary in order to carry out the business of the board. Three members of the board shall constitute a quorum to transact business, but it shall require three or more affirmative votes to pass any matter before the board.

The board shall have charge of and administer the fund and shall order payments therefrom, and no money shall be paid out of the fund except upon the order of the board.

The governing body shall have plenary power and authority to make any and all rules and regulations pertaining to the fund not inconsistent with the provisions of sections two through fifteen of this article, the Constitution and the laws of this state.

Such board shall be a public corporation by the name and style of "The Board of Trustees of the Employees Retirement and Benefit Fund of (name the city)," by which name the board may sue and be sued, plead and be impleaded, contract and be contracted with, take and hold real and personal property, for the use of said fund, and have and use a common seal. Said board may also in its corporate name do and perform any and all other acts and business pertaining to the trust created hereby or by any conveyance, devise or dedication made for the uses and purposes of said board.