If a criminal case is involved and the bank card is frozen by the judicial organ, the public security organ will contact the party concerned, and if the party concerned is a criminal suspect, compulsory measures may be taken.

According to the provisions of Article 144 of the Criminal Procedure Law of People's Republic of China (PRC), people's procuratorates and public security organs can inquire about and freeze the deposits, remittances, bonds, stocks, fund shares and other properties of criminal suspects according to the requirements of investigating crimes. The relevant units and individuals shall cooperate. If a criminal suspect's deposits, remittances, bonds, stocks, fund shares and other properties have been frozen, they may not be frozen again.