AN ACT PROVIDING THAT WHEN ANY OFFICIAL OR EMPLOYEE OF THE GOVERNMENT SHALL BE DESIGNATED TO PERFORM THE DUTIES OF ANOTHER OFFICIAL OR EMPLOYEE, IN ACCORDANCE WITH ACT NUMBERED FOUR HUNDRED AND EIGHT, HE SHALL BE REIMBURSED FOR SUCH ADDITIONAL EXPENSES AS HE SHALL BE OBLIGED TO INCUR FOR BOND BY REASON OF SUCH DESIGNATION; AND MAKING THIS ACT RETROACTIVE