other embodiment of a bill recycling unit to be employed in the cash handling apparatus of FIG. 21; FIG. 24 is a flowchart showing one embodiment of a process for registering authorities in managing the cash handling apparatus of FIG. 21; FIGS. 25 to 28 are illustrations showing examples of information to be registered for management to be entered through the process of FIG. 24; FIG. 29 is a flowc