One: If there is no signature, you can call the customer service phone of the bank, and the bank will help you adjust the bill. If you verify that there is no pos bill, you can refund the money to your account. Don't worry about this situation, because sometimes there will be problems in data transmission, which happens occasionally. As long as there is no bill and no signature, it should be verified. The next time you have an outstanding bill, contact the bank as soon as possible to see if it has been debited, because there is a time limit for bill transfer. Legally speaking, passwords and signatures are legal consumption only if they are available, and the lack of one is the illegal operation of income makers.

Two: According to the relevant requirements of China UnionPay, in order to ensure the safety of cardholders, users holding credit cards must sign on the back of the cards. According to relevant regulations, merchants must carefully check whether the name on the bank card is consistent with the cardholder's signature after the cardholder swipes the card. If they are inconsistent, you can cancel the transaction or adjust the bill to deny it. If the merchant does not comply with the requirements, it may affect the cardholder's transaction fund settlement. If the cardholder disagrees with the transaction amount listed in the clearing account or bill, he can raise it through the issuing bank, and the issuing bank will apply to the acquiring bank for bill adjustment. For unsigned consumption, the cardholder has the right to refuse the transaction. "For bank card transactions, it is best to sign for confirmation to ensure the security of the transaction.

One: Credit cards, also called credit cards, are credit certificates issued by commercial banks or credit card companies 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. The credit card stipulated in the relevant laws of our country (Interpretation of the Provisions of 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, etc. 20 17 12 1 The English Translation and Writing Standard for Public Service was formally implemented, which stipulated that the English name of CreditCard was Credit Card.

Second, credit card consumption is a non-cash transaction payment method, and there is no need to pay cash when spending, and repayment is made on the account date. 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.