(a)
(1) The board of trustees of the pension and relief fund for paid nonuniformed employees shall consist of five (5) members and shall be composed of the mayor, the head of the street department, the city treasurer, who shall be the treasurer of the fund and the general manager of the waterworks, or the superintendent, in the event there is no general manager, who shall be secretary of the board and who shall serve for a period of two (2) years or until his or her successor shall be elected and qualified.
(2) The mayor shall be chair of the board, and the first four (4) members shall elect one (1) other member, who shall be a reputable physician and who shall represent the board of trustees in the examination of any member of the departments upon the claim of disability.
(3) The physician member of the board so selected shall serve for a period of two (2) years or until his or her successor is elected and qualified.
(b) The board shall have the absolute control and management of the funds provided for in this act and of all moneys donated, paid, or assessed for the relief or pension of disabled, superannuated, and retired paid nonuniformed employees, their surviving spouses, and minor children under the age of sixteen (16), or surviving parent solely dependent upon the employee for support.
(c)
(1) The board shall make all necessary rules for its government and the discharge of its duties and shall hear and decide all applications for relief or pensions under this act.
(2) The board's decisions upon all applications, insofar as matters involving the exercise of discretionary powers are involved, shall be final and conclusive and not subject to review or reversal except by the board.
(d) The board shall cause to be kept a record of all its meetings and proceedings.