Another possibility is that the traffic credit card bill is miscalculated, that is, there is an error in the banking system or an error in the operation of the staff, which leads to the miscalculation of the traffic credit card bill.

If the calculation of Bank of Communications' credit card account is wrong due to negligence of special merchants or bank operation errors, the cardholder shall immediately call Bank of Communications to explain the reasons and provide name, account number, error type, date, amount and data evidence. The bank will investigate. During the investigation, the cardholder does not have to pay the disputed money.