Legal analysis: In the process of investigation, the supervisory organ can collect, seal up and detain the property, documents and electronic data used to prove that the investigated person is suspected of violating the law and crime. When taking measures of collection, sealing-up or seizure, the original articles shall be collected, photographed, registered and numbered one by one in person together with the holders or custodians and witnesses, and a list shall be made, which shall be checked and signed by the personnel present on the spot, and a copy of the list shall be handed over to the holders or custodians of the property and documents.

Legal basis: Article 23 of the Supervision Law of the People's Republic of China * * * When investigating serious duty violations or duty crimes such as corruption and bribery, dereliction of duty and dereliction of duty, the supervisory organ may, according to the needs of work, inquire about and freeze the deposits, remittances, bonds, stocks, fund shares and other properties of the units and individuals involved. The relevant units and individuals shall cooperate.

if the frozen property is found to be irrelevant to the case, it shall be unfrozen and returned within three days after it is found.