1. If the lawyer's practice certificate, the certificate of law firm and the power of attorney or legal aid letter of the defense lawyer meet with the criminal suspect or defendant in custody, they should also apply to the investigation organ for meeting, and they can meet only after permission;
2. When other defenders meet the criminal suspect or defendant, they shall apply to the people's court or procuratorate for meeting, and they can meet only with the permission of the court or procuratorate.
legal ground
Article 39 of the Criminal Procedure Law
Defense lawyers can meet and correspond with criminal suspects and defendants in custody. Other defenders, with the permission of the people's courts and people's procuratorates, may also meet and correspond with criminal suspects and defendants in custody.
If a defense lawyer holds a lawyer's practice certificate, a law firm's certificate, a power of attorney or a letter of legal aid to ask for a meeting with the criminal suspect or defendant in custody, the detention center shall arrange the meeting in time, which shall not exceed 48 hours at the latest.
In criminal cases endangering national security and terrorist activities, defense lawyers should obtain permission from the investigation organ when meeting with the criminal suspect in custody during the investigation. The investigation organ shall notify the detention center of the above situation in advance.