Legal basis: Criminal Procedure Law of People's Republic of China (PRC).
Article 119 A criminal suspect who does not need to be arrested or detained may be summoned to a designated place in the city or county where the criminal suspect is located or to his residence for interrogation, but the certificate of the people's procuratorate or the public security organ shall be produced. A criminal suspect found at the scene may be summoned orally, but it shall be indicated in the interrogation record. The duration of summons or summons shall not exceed twelve hours; If the case is particularly serious and complicated and detention or arrest measures are needed, the time limit for summoning or compulsory summoning shall not exceed 24 hours. The criminal suspect shall not be detained in disguised form by means of continuous summons or compulsory summons. When summoning or detaining a criminal suspect, the suspect shall be guaranteed food and drink and necessary rest time.
People's Republic of China (PRC) Lawyers Law
Article 31 When acting as a defender, a lawyer shall, according to facts and laws, put forward materials and opinions on acquittal, lighter punishment or reduction or exemption of criminal responsibility of criminal suspects and defendants, so as to protect the litigation rights and other legitimate rights and interests of criminal suspects and defendants.
Article 32 A client may refuse his entrusted lawyer to continue to defend him, and at the same time, he may entrust another lawyer as a defender. After accepting the entrustment, a lawyer shall not refuse to defend without justifiable reasons. However, if the entrusted matter is illegal, the client uses the services provided by the lawyer to engage in illegal activities, or the client deliberately conceals important facts related to the case, the lawyer has the right to refuse to defend.
Article 33 A lawyer who acts as a defender has the right to meet a criminal suspect or defendant who is detained or under residential surveillance with a lawyer's practice certificate, a law firm certificate, a power of attorney or a power of attorney for legal aid in accordance with the provisions of the Criminal Procedure Law. Defense lawyers are not monitored when meeting with criminal suspects and defendants.