Legal basis:
Criminal Procedure Law of the People's Republic of China
Article 87 When a public security organ requests the arrest of a criminal suspect, it shall write a letter of approval of the arrest, together with case files and evidence, and submit it to the people's procuratorate at the same level for examination and approval. When necessary, the people's procuratorate may send people to participate in the discussion of major cases by public security organs.
Article 88 After the people's procuratorate has examined and approved the arrest, it may interrogate the criminal suspect. In any of the following circumstances, the criminal suspect shall be interrogated:
(1) Having doubts about whether the conditions for arrest are met;
(2) The criminal suspect requests to make a face-to-face statement to the procurator;
(3) There may be major illegal acts in the investigation activities.
When examining and approving an arrest, the people's procuratorate may ask witnesses and other participants in the proceedings and listen to the opinions of defense lawyers; If a defense lawyer makes a request, he shall listen to the opinions of the defense lawyer.
Article 89 The people's procuratorate shall decide whether to examine and approve the arrest of a criminal suspect. Major cases shall be submitted to the procuratorial committee for discussion and decision.
Article 90 After examining the cases submitted by the public security organs for approval of arrest, the people's procuratorate shall decide whether to approve the arrest or not according to the circumstances. The public security organ shall immediately implement the decision to approve the arrest and notify the people's procuratorate of the implementation in time. If the arrest is not approved, the people's procuratorate shall explain the reasons, and if supplementary investigation is needed, it shall also notify the public security organ.
Article 91 If a public security organ deems it necessary to arrest a detained person, it shall, within three days after detention, submit it to the People's Procuratorate for examination and approval. Under special circumstances, the approval time can be extended by one to four days.
For major suspects who commit crimes on the run, commit crimes many times or commit crimes in collusion, the time for submitting for examination and approval may be extended to 30 days.