A money handling system comprising: a second money handling apparatus that is configured to receive, recognize and count banknotes of a plurality of transactions processed by a first money handling apparatus, the banknotes being in a mixed state where the banknotes cannot be distinguished per transaction, the second money handling apparatus being configured to acquire an identification number of each of the banknotes processed in the first money handling apparatus; and a determination unit that is configured to acquire money information generated when the first money handling apparatus has processed the banknotes of the transactions, and based on the money information acquired by the determination unit and a result of recognizing and counting the banknotes by the second money handling apparatus, to determine whether the banknotes recognized and counted by the second money handling apparatus matches with the banknotes of the transactions processed by the first money handling apparatus, the money information including identification numbers of the banknotes of each of the transactions processed in the first money handling apparatus, characterized in that the transactions are distinguishable by the identification numbers of the banknotes processed in the first money handling apparatus; and the determination unit is configured to perform a determination by performing an identification number comparison process in which the identification number of each of the banknotes acquired by the second money handling apparatus and the identification numbers included in the money information are compared, identify an identification number that does not match between the identification numbers included in the money information and the identification numbers acquired by the second money handling apparatus based on a result of the identification number comparison process, and identify a transaction to which a banknote having the identified identification number belongs; and to display the identified identification number that does not match and the identified transaction to which a banknote having the identified identification number belongs on a display unit of the determination unit, wherein the displayed information includes the denomination of the banknote having the identified identification number. a second money handling apparatus that is configured to receive, recognize and count banknotes of a plurality of transactions processed by a first money handling apparatus, the banknotes being in a mixed state where the banknotes cannot be distinguished per transaction, the second money handling apparatus being configured to acquire an identification number of each of the banknotes processed in the first money handling apparatus; and a determination unit that is configured to acquire money information generated when the first money handling apparatus has processed the banknotes of the transactions, and based on the money information acquired by the determination unit and a result of recognizing and counting the banknotes by the second money handling apparatus, to determine whether the banknotes recognized and counted by the second money handling apparatus matches with the banknotes of the transactions processed by the first money handling apparatus, the money information including identification numbers of the banknotes of each of the transactions processed in the first money handling apparatus, characterized in that the transactions are distinguishable by the identification numbers of the banknotes processed in the first money handling apparatus; and the determination unit is configured to perform a determination by performing an identification number comparison process in which the identification number of each of the banknotes acquired by the second money handling apparatus and the identification numbers included in the money information are compared, identify an identification number that does not match between the identification numbers included in the money information and the identification numbers acquired by the second money handling apparatus based on a result of the identification number comparison process, and identify a transaction to which a banknote having the identified identification number belongs; and to display the identified identification number that does not match and the identified transaction to which a banknote having the identified identification number belongs on a display unit of the determination unit, wherein the displayed information includes the denomination of the banknote having the identified identification number. perform a determination by performing an identification number comparison process in which the identification number of each of the banknotes acquired by the second money handling apparatus and the identification numbers included in the money information are compared, identify an identification number that does not match between the identification numbers included in the money information and the identification numbers acquired by the second money handling apparatus based on a result of the identification number comparison process, and identify a transaction to which a banknote having the identified identification number belongs; and to display the identified identification number that does not match and the identified transaction to which a banknote having the identified identification number belongs on a display unit of the determination unit, wherein the displayed information includes the denomination of the banknote having the identified identification number.