If the bank card of the party concerned is frozen due to suspected illegal crimes, the public security organ will ask the cardholder to assist in the investigation, and the party concerned shall actively cooperate with the investigation. If it can be proved that the parties are really ignorant, they can be thawed on the spot. If it is necessary to solve the case, the parties should wait until the case is over. Within the time limit, usually six months, the account will be unfrozen, and the bank account that has been frozen and expired will be automatically unfrozen. Legal basis: Article 141 of the Criminal Procedure Law shall seal up and detain all kinds of property and documents that can be used to prove the criminal suspect's guilt or innocence in investigation activities; Property and documents irrelevant to the case shall not be sealed up or detained.
The seized and detained property and documents shall be properly kept or sealed, and shall not be used, exchanged or damaged.
Article 142 of the Criminal Procedure Law shall make a clear inventory of the seized and detained property and documents with the witnesses present and the holders of the seized and detained property and documents, and make a list in duplicate on the spot, which shall be signed or sealed by the investigators, witnesses and holders, one for the holder and one for future reference.
Article 145 of the Criminal Procedure Law: If the seized or detained property, documents, mails, telegrams or frozen deposits, remittances, bonds, stocks, fund shares and other property are found to be really irrelevant to the case, the seizure, seizure and freezing shall be lifted within three days and returned.