What does the offset in Jianshe Bank Card mean?

1. "The reversal is successful, please pay again": The transaction fee is successfully reversed and returned, and the card transaction needs to be re-swiped.

2. "The reversal was unsuccessful, please handle it manually": This transaction is an error operation (caused by a malfunction during the data transmission process between the UnionPay POS machine and the UnionPay Settlement Center), but the transaction initiator's The account has been debited, and the transaction initiator needs to re-swipe the card for the transaction. After this erroneous transaction, UnionPay staff went to the POS merchant to fill out the "Agree to Refund Form" and stamped it with the POS merchant's official seal. The transaction was manually reversed successfully.

3. Reverse is to roll back the transaction, that is, a transaction has been marked as successful in the terminal.

4. Simply put, it is a practice in which bank staff correct some errors when you make transactions.

5. It is a bank teller error. The method to correct the wrong account of long and short payments is mainly to adjust the balance of your separate account.

That is, a transaction has been marked as successful on the terminal, but the accounting transaction package sent to the host has not received a response, that is, the terminal transaction has timed out, so it is not sure whether the transaction has been successfully completed on the host. , in order to ensure the interests of the user, the terminal re-sends a request to the host, requesting to cancel the transaction. If the transaction has been successful on the host side, the transaction will be rolled back, otherwise it will not be processed, and the processing result will be returned to the terminal.

Correction is a remedial measure taken when the system thinks that the transaction may fail.