2. The agent (lawyer) has the right to collect and investigate evidence from relevant units and individuals;
3. The parties and agents ad litem (lawyers) have the right to collect witness testimony out of court.
Paragraph 1 of Article 5 of the Civil Procedure Law stipulates: "A party has the right to entrust an agent, to apply for withdrawal, to collect and provide evidence, to argue, to request mediation, to file an appeal and to apply for enforcement." Article 61 stipulates: "Lawyers and other agents ad litem have the right to investigate and collect evidence, and may consult relevant materials.
Articles 36 and 37 of the Criminal Procedure Law stipulate: "With the consent of witnesses or other relevant units and individuals, defense lawyers may collect materials related to the case from them, or apply to the people's procuratorate to collect and obtain evidence, or apply to the people's court to notify witnesses to testify in court. With the permission of the people's procuratorate or the people's court, and with the consent of the victim or his close relatives or witnesses provided by the victim, the defense lawyer may collect materials related to the case from them. "
Article 3 of the Lawyers Law stipulates: "Lawyers may collect and consult materials related to this case in accordance with the law when participating in litigation activities. Materials related to the case, meeting and correspondence with people whose personal freedom is restricted, appearing in court to participate in litigation, and enjoying other rights stipulated in the procedural law. If a lawyer acts as an agent or defender of the court, his right to debate or defend shall be guaranteed according to law. " Article 31 of the Lawyers Law stipulates that "when a lawyer undertakes legal affairs, he may investigate the situation with the consent of the relevant unit or individual".