Legal basis: Notice on Printing and Distributing Provisions on Banking Financial Institutions Assisting People's Procuratorates, Public Security Organs and State Security Organs in Inquiring about Freezing; Article 8 When people's procuratorates, public security organs and state security organs request banking financial institutions to assist in inquiry, freezing or unfreezing, two or more case-handling personnel shall go to the people's procuratorates at or above the county level with valid work permits or people's police cards.