The use of credit card payment of Bank of Communications is relatively simple, but there are some rules to pay attention to. First of all, the credit card payment will be automatically deducted to the account within three days after the transaction is completed, but the goods or services still need to be paid in full when the transaction is completed. Secondly, the credit card payment can only be used to deduct the principal part of the designated transaction, and cannot be used to pay interest, handling fees or pay off the due funds. When using it, the credit card payment must be made within the limit, available scope and validity period, and must follow the specific rules of Bank of Communications, which will vary according to the activities and bank regulations.

each credit card has its own independent amount, validity period and scope of application, and cardholders need to use it under these conditions. The credit card payment can partially or fully deduct the eligible principal of the transaction through the credit card corresponding to the credit card payment within the validity period. The use time is subject to the transaction recorded by the Bank of Communications system, and the unused part will be invalid. The credit card deduction will be completed in the form of returning the transaction within three days after the transaction is booked, but the full amount of the transaction principal that has not been deducted still needs to be confirmed during the transaction.

if the same credit card has more than one eligible credit card payment, they can accumulate the principal deduction for the same transaction, but the deduction order may follow the activity terms or special regulations of the bank. Finally, regarding the specific usage rules of credit card, it is suggested to consult the relevant guidelines and terms and conditions of Bank of Communications credit card to obtain the most accurate information.