Legal basis: Criminal Procedure Law of People's Republic of China (PRC).
Article 162 When investigating a closed case, the public security organ shall ensure that the facts of the crime are clear and the evidence is true and sufficient, and write a prosecution opinion, which shall be transferred to the people's procuratorate at the same level for examination and decision together with the case file and evidence; At the same time, inform the criminal suspect and his defense lawyer about the transfer of the case. If a criminal suspect voluntarily pleads guilty, it shall be recorded and transferred with the case, and the relevant information shall be stated in the prosecution opinion.
Article 173 When examining a case, the people's procuratorate shall interrogate the criminal suspect, listen to the opinions of the defender or the lawyer on duty, the victim and his agent ad litem, and put them on record. If the defender or the lawyer on duty, the victim and his agent ad litem put forward written opinions, they shall attach a volume. If a criminal suspect pleads guilty and admits punishment, the people's procuratorate shall inform him of his litigation rights and the legal provisions of pleading guilty and admitting punishment, listen to the opinions of the criminal suspect, defender or lawyer on duty, victim and his agent ad litem on the following matters, and record them: (1) Suspected criminal facts, charges and applicable legal provisions; (2) Suggestions on a lighter, mitigated or exempted punishment; (3) Procedures applicable to the trial of cases after pleading guilty and admitting punishment; (four) other matters that need to listen to opinions. If the people's procuratorate listens to the opinions of the lawyers on duty in accordance with the provisions of the preceding two paragraphs, it shall provide necessary convenience for the lawyers on duty to know the relevant situation of the case in advance.