The director of job and family services may require any of the employees of the department of job and family services who may be charged with custody or control of any public money or property or who is required to give bond, to give a bond, properly conditioned, in a sum to be fixed by the director which when approved by the director, shall be filed in the office of the secretary of state. The cost of such bonds, when approved by the director, shall be paid from funds available for the department. The bonds required or authorized by this section may, in the discretion of the director, be individual, schedule, or blanket bonds.