1, power of attorney;
2. Official letter from the law firm;
3. Special letter of introduction for lawyers to meet with criminal suspects and defendants;
4. A copy of the client's ID card;
5. Household registration book or marriage certificate or proof of kinship;
6. Lawyer's practice certificate. Handle the meeting notice with the above materials, and submit the meeting notice and letter of introduction to the detention center for meeting.
In any of the following circumstances, criminal responsibility shall not be investigated, and if it has been investigated, the case shall be dismissed, or prosecution shall not be initiated, or the trial shall be terminated, or the case shall be declared innocent:
1, the circumstances are obviously minor, the harm is not great, and it is not considered a crime;
2, the crime has passed the limitation period;
3. Exemption from punishment through Amnesty;
4, in accordance with the criminal law to deal with the crime, did not tell or withdraw to tell;
5. The criminal suspect or defendant dies;
6, other laws and regulations shall be exempted from criminal responsibility.
To sum up, if a lawyer accepts the entrustment of a criminal suspect or defendant to provide legal aid or act as a defender, he shall issue a letter of introduction, a power of attorney and a lawyer's practice certificate to the detention center when meeting the criminal suspect or defendant.
Legal basis:
Article 39 of the Criminal Procedure Law of People's Republic of China (PRC)
Defenders' right to meet and communicate. Defense lawyers can meet and communicate 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.
When a defense lawyer meets a criminal suspect or defendant in custody, he can understand the case and provide legal advice. From the date when the case is transferred for examination and prosecution, the relevant evidence may be verified with the criminal suspect or defendant. Defense lawyers are not monitored when meeting with criminal suspects and defendants.
The provisions of the first, third and fourth paragraphs shall apply to the meetings and correspondence between defense lawyers and criminal suspects and defendants who are under surveillance.