The ATM tail box refers to the money that the host distributes to the ATM, similar to the teller's tail box, and is a record on the network.
The cash box is where ATM charges money. This is the actual money. The ATM tail box and the actual money should be the same.
At the time of withdrawal, the bank card will be debited and then deducted from the trunk. After that, the cash will be transferred from the ATM cash box, and the ATM will also have the ATM record at the same time.
Therefore, when the transaction is normal, the ATM tail box, actual cash, and ATM local records are the same.