The Measures for the Administration of Bank Cards have corresponding provisions on this:

Article 41 The issuing bank shall carefully examine the credit status of the credit card applicant and determine the effective guarantee and guarantee method according to the credit status of the applicant. The issuing bank shall regularly review the credit status of credit card holders.

The credit line should be adjusted according to the change of credit status, and the issuing bank should establish an authorization examination and approval system to clarify the authorization authority and authorization limit of different levels of internal personnel.

Extended data:

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Relevant laws and regulations of the Measures for the Administration of Bank Cards:

Article 35 When an account-opening unit withdraws a large amount of cash, it shall fill in a large amount of cash withdrawal registration form, and the main contents of the registration form shall include the withdrawal time, unit, amount and purpose.

Major suspected cases should be reported to the local branches of the People's Bank of China, and corresponding sanctions should be given to the account opening units that illegally withdraw large amounts of cash or deliberately dismantle and evade supervision.

Article 36? The branches of the People's Bank of China in all provinces, autonomous regions and municipalities directly under the Central Government shall analyze and summarize the large cash payments within their respective jurisdictions on a quarterly basis and submit them to the head office of the People's Bank of China. In case of major problems, report them in time.

Baidu Encyclopedia-Bank Card Management Measures