Article 29 of the Administrative Measures for Customer Identification and Customer Identity Data and Transaction Records of Financial Institutions stipulates that financial institutions shall keep customer identity data and transaction records within the following time limits: (1) Customer identity data shall be kept for at least 5 years from the year when the business relationship ends or the year when the one-time transaction is accounted for. (2) Transaction records shall be kept for at least 5 years from the year when the transaction is recorded.

steps to query the transaction records of credit cards, taking China Bank as an example:

1. First, you need to download the colorful life APP of China Bank, and click it.

2. Select the billing service.

3. after logging in, first select whether to query the bills that have been billed or the bills that have not been billed. If it is an issued bill, click on the issued bill above, and then select the card number and inquiry date. Finally, click Query.

4. The following is the basic information about related bills.

5. if you want to see the detailed information, you can click the transaction details on the right side of the basic information.

6. if you want to see the unbilled bill, click unbilled bill, select the credit card number, and then click query.

7. The normal bill should be consistent with the issued bill, because there is no bill at present.