According to the provisions of the former CBRC, banking financial institutions should keep at least six months of audio and video materials from the date of product termination or six months from the date of contract termination, and disputes should be kept until the dispute is finally resolved. If the banking financial institutions sell the products of other non-banking financial institutions on a commission basis, the the State Council financial supervision and regulation institution has other provisions on the retention period of audio-visual materials, such provisions shall prevail.

"Double recording" is an operation in the Measures for the Traceability Management of Insurance Sales Behavior, which is required by CBRC 20 17, including insurance companies, banks and intermediaries. The purpose of double recording is to keep all the evidence in the process of insurance sales, and when an insurance dispute occurs, it can be traced back to the scene at that time, and who is right or wrong is clear.