Calculate bank statements.

The "Bank Card Management Measures" have corresponding provisions:

Article 39 The card-issuing bank handles deposits, withdrawals, and transfers for cardholders based on passwords and other electronic information. The electronic information records generated by various transactions such as settlement are valid evidence of the transaction.

The card-issuing bank can use transaction details or lists as accounting vouchers. The original documents of various bank card transactions through the Internet shall be retained for at least two years for future reference.

Extended information:?

Relevant legal provisions of the "Bank Card Management Measures":?

Article 78 The acquiring bank shall ensure that the specially appointed merchants comply with the When accepting credit cards in accordance with universal principles, merchants must not refuse to accept credit cards that comply with universal online management requirements, or charge additional fees to cardholders for using their credit cards.

Banks should strive to improve the quality of credit card services, provide cardholders with humanized card-using services, and encourage credit card issuers to establish "tolerance services and time-tolerance services" for credit card repayments or to provide credit card repayment services. The overdraft amount that has been repaid during the interest-free repayment period will be given an interest reduction discount.

Article 79: To provide cardholders with "time-tolerant services", cardholders should be provided with a certain period of repayment grace period service. The repayment grace period starts from the due date of repayment. At least 3 days; when the cardholder repays the loan within the repayment grace period, it shall be regarded as the cardholder repaying the loan on time.

Baidu Encyclopedia-"Bank Card Management Measures"