Article 173 of the Criminal Procedure Law: When reviewing a case, the People's Procuratorate shall interrogate the criminal suspect, listen to the opinions of the defender or lawyer on duty, the victim and his agent ad litem, and record them in case. If the defender or lawyer on duty, the victim and his or her litigation agent submit written opinions, they shall be attached to the file. If a criminal suspect pleads guilty and accepts punishment, the People's Procuratorate shall inform him of his litigation rights and the legal provisions on confession and punishment, listen to the opinions of the criminal suspect, defender or lawyer on duty, the victim and his litigation agent on the following matters, and record them: ( 1) The alleged criminal facts, charges and applicable legal provisions; (2) Suggestions on lenient, reduced or exempted punishment; (3) Applicable procedures for case trial after guilty plea and punishment; (4) Other matters that require hearing opinions. When the People's Procuratorate listens to the opinions of the duty lawyer in accordance with the provisions of the preceding two paragraphs, it shall provide necessary convenience for the duty lawyer to understand the relevant circumstances of the case in advance.