To provide a card processor and an inter-board machine by which cards can be stored, re-issued and collected.

When a return button 3d is depressed, and the balance of frequency is turned to be zero, an IC card 31 for a non-member operates a conveyance belt 214 again, and the IC card 31 for a non-member is conveyed to a position faced to a card storage part 204. In this case, the IC card 31 for a non-member is stored in the card storage part 204. On the other hand, when it is detected that the storage quantity of the IC card 31 for a non-member has reached allowable storage quantity by a limit detecting part 231 of the card storage part 204, the IC card 31 for a non-member is dropped to a card ejecting part 217, and collected by a card collecting part.