Legal basis: Interpretation of the Supreme People's Court on the Application of the Criminal Procedure Law of People's Republic of China (PRC).
Article 54? The people's court shall allow the defense lawyer to apply for obtaining the audio and video recordings of interrogation as evidence materials.
Article 55? Consult, extract and copy the case file, which involves state secrets, commercial secrets and personal privacy, shall be kept confidential; The information and materials of the non-public hearing of the case, or the important information and evidence materials of the case learned in the process of handling the case, shall not be disclosed or disclosed in violation of regulations, and shall not be used for purposes other than handling the case. The people's court may require the relevant personnel to issue a letter of commitment.
In violation of the provisions of the preceding paragraph, the people's court may notify the judicial administrative organ or the relevant department and suggest giving corresponding punishment; If a crime is constituted, criminal responsibility shall be investigated according to law.