Constables shall take the oath of office prescribed by the Constitution and give bond, with sufficient surety, to be payable, conditioned and approved as provided by law and in the same manner as other county officials, in a penalty not less than Fifty Thousand Dollars ($50,000.00). The bond premium for each constable shall be paid from the general county fund of the respective counties. The board of supervisors of the county may at any time require such additional sum as it deems necessary.