First of all, understand the reasons for freezing.
First of all, you need to know the specific reason why the bank card is frozen. This may be because your bank card involves suspicious transactions, the source of funds is unknown, and credit is stolen. Or misjudged as involving some illegal and criminal acts. You can consult the bank or the Criminal Investigation Brigade about the reasons for freezing, and know your rights and responsibilities.
Second, prepare relevant supporting documents.
Before going to the Criminal Investigation Brigade to unfreeze, you need to prepare relevant documents, such as ID cards, bank cards, transaction records, etc. To prove your identity and the legitimacy of your trading behavior. If you have any vouchers or contracts related to the transaction, prepare them together.
Third, go to the Criminal Investigation Brigade to cooperate with the investigation.
As required, you need to go to the designated criminal investigation brigade to cooperate with the investigation work of relevant departments. During the investigation, you need to truthfully state the transaction and the source of funds. , and provide the required supporting documents. If you have any questions or dissatisfaction with the investigation process, you can complain or consult the relevant departments.
Fourth, wait for the result of thawing.
After cooperating with the investigation, you need to wait for the Criminal Investigation Brigade to unfreeze your bank card. If the survey results show that there is nothing wrong with your bank card, or you provide sufficient supporting documents and information, your bank card may be unfrozen in time. If the investigation is still in progress, it is necessary to wait patiently and actively cooperate with the follow-up work.
To sum up:
If your bank card is frozen and you need to go to the Criminal Investigation Brigade to unfreeze it, you need to know the reason for freezing, prepare relevant supporting documents, cooperate with the investigation and wait for the unfreezing result. In the whole process, you need to cooperate patiently to ensure that the problem is properly solved.
Legal basis:
Criminal Procedure Law of the People's Republic of China
Article 1 17 stipulates:
A criminal suspect who does not need to be arrested or detained may be summoned to a designated place in the city or county where the criminal suspect is located or to his residence for interrogation, but the certificates of the people's procuratorate or the public security organ shall be produced.
People's Republic of China (PRC) Anti-Money Laundering Law
Article 25 provides that:
Financial institutions shall, in accordance with the provisions of this Law, establish and improve the internal control system for anti-money laundering, set up special anti-money laundering institutions or designate internal institutions to be responsible for anti-money laundering, formulate internal operating rules and control measures for anti-money laundering, train employees on anti-money laundering, and improve their anti-money laundering work ability.