1, Criminal Procedure Law of People's Republic of China (PRC): According to the relevant provisions of the Criminal Procedure Law, the intermediate people's court may, according to the needs of the case, issue an investigation order, requiring public security organs, procuratorial organs and other relevant units and individuals to provide relevant clues, evidence or assist in the investigation.
2. People's Republic of China (PRC) Civil Procedure Law: According to the relevant provisions of the Civil Procedure Law, the intermediate people's court may, according to the needs of the case, issue an investigation order, requiring relevant units and individuals to provide relevant evidence or assist in the investigation.