REGISTER CHANGE MACHINE SYSTEM AND CHANGE MACHINE

PROBLEM TO BE SOLVED: To efficiently perform checkout processing, and to relax the restriction of the deposit processing timing of the amount paid of a customer.SOLUTION: A register change machine system includes: a register 30 for performing the calculation of the total amount of purchased merchandise and the calculation of the amount of change for every transaction; and a change machine 1 for performing the counting of deposited currency, the creation of deposit data, and the dispense of the change currency of the amount of change for every transaction, the register 30 which being configured to acquire the deposit data from the change machine 1, and to calculate the amount of change on the basis of the total amount and the deposit data, and the change machine 1 which being configured to have a deadline acceptance part for accepting deadline notification to close the deposit of currency, and to accept the deposit of currency since change currency corresponding to one previous transaction is dispensed until the deadline notification is accepted by the deadline acceptance part.