According to the provisions of Article 174 of the Criminal Procedure Law of People's Republic of China (PRC), if a criminal suspect voluntarily pleads guilty and agrees to apply sentencing suggestions and procedures, he shall sign a confession and repentance in the presence of a defender or a lawyer on duty.
If a criminal suspect pleads guilty and admits punishment, it is not necessary to sign a confession and repentance book under any of the following circumstances: the criminal suspect is a mental patient who is blind, deaf, dumb or has not completely lost the ability to identify or control his own behavior; The legal representative or defender of the juvenile criminal suspect has any objection to the juvenile's confession and punishment; Other circumstances in which it is not necessary to sign a confession and repentance.
Extended data:
The relevant requirements of criminal proceedings stipulate that:
1. When the arrest is approved or decided, the nature and circumstances of the crime suspected by the criminal suspect and the defendant, the confession and repentance, etc. It should be taken as a factor to consider whether social danger will occur.
2. When interrogating a criminal suspect, investigators shall inform the criminal suspect of his litigation rights and truthfully confess the legal provisions that he can be lenient and plead guilty to his crime.
Haining people's procuratorate-criminal procedure law