1, payment company system failure;

2. UnionPay channel failure;

3. The bank will account for the upgrade of the banking system on working days;

4. The customer's personal signature did not lead to non-receipt;

5. Incorrect card swiping time causes;

6. The machine does not issue tickets or issues tickets abnormally.

: 1. Credit card, also known as debit card, is a credit certificate issued by a commercial bank or credit card company to eligible consumers. It is a card with name, expiration date, number and cardholder's name printed on the front, and a magnetic stripe and signature strip on the back. Consumers with credit cards can go to specialized commercial service departments for shopping or spending, and then the bank will settle accounts with merchants and cardholders, and cardholders can overdraw within the prescribed limits.

2. The credit card stipulated in the relevant laws of China (Interpretation of the Provisions of the NPC Standing Committee on Credit Cards) refers to the electronic payment card issued by commercial banks or other financial institutions with all or part of the functions of consumer payment, credit loan, transfer settlement, cash deposit and withdrawal? . 20 17 12 1, the English translation and writing standard for public services was formally implemented, and the English names of credit cards were specified.

3. Credit card consumption is a non-cash transaction payment method. There is no need to pay cash when spending, and it will be repaid on the billing day. Credit cards are divided into credit cards and quasi-credit cards. Credit card refers to a credit card in which the cardholder has a certain credit limit and can spend first and then repay. Quasi-credit card refers to a quasi-credit card in which the cardholder deposits a certain amount of reserve fund according to the regulations, and when the balance of the reserve fund account is insufficient to pay, it can be overdrawn within the prescribed credit limit. Credit cards generally refer to credit cards.

Credit card is a special carrier card issued by commercial banks to individuals and units, which enables them to shop, consume and deposit and withdraw cash in banks. It is a card with the name, expiration date, number and cardholder's name printed on the front, and the magnetic stripe and signature printed on the back.

A real credit card has the following characteristics: cash is not allowed to be pre-deposited, it is paid after consumption, it enjoys an interest-free repayment period, and it can be repaid in installments (with a minimum repayment amount). Joining international credit card organizations such as VISA and MASTER can be used worldwide.