According to the Criminal Procedure Law of People's Republic of China (PRC)
Article 102 When necessary, the people's court may take preservation measures to seal up, detain or freeze the defendant's property. The plaintiff or the people's procuratorate in an incidental civil action may apply to the people's court for preservation measures. The people's court shall adopt preservation measures and apply the relevant provisions of the Civil Procedure Law.
Article 141 All kinds of property and documents found in investigation activities that can prove the criminal suspect's guilt or innocence shall be sealed up and detained; 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 The seized or detained property and documents shall be checked clearly with the witnesses present and the holders of the seized or detained property and documents, and a list shall be made on the spot in duplicate, which shall be signed or sealed by the investigators, witnesses and holders, one for the holders and one for future reference.
Article 144 People's procuratorates and public security organs may, according to the needs of investigating crimes, inquire about and freeze the deposits, remittances, bonds, stocks, fund shares and other property of criminal suspects in accordance with regulations. 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.
Article 145 If the property, documents, mails, telegrams or frozen deposits, remittances, bonds, stocks, fund shares and other properties that have been sealed up or detained are found to be really irrelevant to the case, the sealing up, seizure and freezing shall be lifted within three days and returned.
Extended data
According to the Criminal Procedure Law of People's Republic of China (PRC)
Article 245 Public security organs, people's procuratorates and people's courts shall properly keep the property and fruits of criminal suspects and defendants that have been sealed up, detained or frozen, and make a list and transfer them with the case. No unit or individual may misappropriate or dispose of it by itself. The lawful property of the victim shall be returned in time.
Contraband or articles unsuitable for long-term preservation shall be disposed of in accordance with relevant state regulations.
Physical objects as evidence shall be transferred with the case. If it is not suitable for transfer, the list, photos or other supporting documents shall be transferred with the case.
The judgment made by the people's court shall deal with the sealed-up, distrained and frozen property and its fruits.
After the judgment made by the people's court takes effect, the relevant authorities shall deal with the sealed-up, distrained and frozen property and its fruits according to the judgment. The seized, detained and frozen stolen money and its fruits shall be turned over to the state treasury, except those returned to the victims according to law.
Judicial personnel who embezzle, misappropriate or privately dispose of the seized, distrained or frozen property and its fruits shall be investigated for criminal responsibility according to law; Those who do not constitute a crime shall be punished.
Reference source
China Government Network-People's Republic of China (PRC) Criminal Procedure Law