Money handling system, money handling machine, and money handling method

A money handling system comprising:

• a money change machine configured to deposit therein money received from outside as proceeds from sales and dispense therefrom the deposited money to outside as change;
• and
• a money handling machine configured to deposit therein money collected from the money change machine in a collection process by using a plurality of storage cassettes for storing therein money and feed out therefrom the stored money, wherein each storage cassette is capable of being detachably mounted to the money change machine and the money handling machine, and includes a storage medium that stores therein identification information for identifying each storage cassette, wherein
• the money change machine includes:
• a writer configured to write, into each storage medium, number information on a number indicating an order of each of the storage cassettes to which money has been sent from the money change machine when the storage cassettes have been mounted to the money change machine in order, and
• a reader configured to read information including the identification information and the number information from the storage medium of each storage cassette being mounted to the money handling machine, wherein
• the money handling system further comprises:
• a controller configured to determine whether or not money has been sent into the money handling machine from all of the storage cassettes which have been used in the collection process and have stored therein the money collected from the money change machine, based on the information read from the storage medium of each storage cassette by the reader of the money change machine, wherein
• the controller is configured to determine that an error occurs in the order in which the storage cassettes are mounted to the money handling machine when a first storage cassette which has been firstly mounted to the money handling machine in the collection process among the storage cassettes is not a last storage cassette which has been lastly mounted to the money handling machine in the collection process among the storage cassettes, based on the information read by the reader from the storage medium of the first storage cassette.