Article 42 of the Criminal Procedure Law of People's Republic of China (PRC), a defender or any other person shall not help a criminal suspect or defendant to conceal, destroy, forge evidence or collude with others, and shall not threaten or induce witnesses to commit perjury or engage in other acts that hinder judicial proceedings. Anyone who violates the provisions of the preceding paragraph shall be investigated for legal responsibility according to law. If a defender is suspected of committing a crime, it shall be handled by an investigation organ other than the investigation organ where the defender undertakes the case. If the defender is a lawyer, he shall promptly notify the law firm where he belongs or the lawyers association to which he belongs. Article 43 During the trial, the defendant may refuse the defender to continue to defend him, or entrust another defender to defend him. The people's procuratorate shall, within three days from the date of receiving the case materials transferred for examination and prosecution, inform the victim and his legal representative or his near relatives, the parties involved in incidental civil litigation and his legal representative that he has the right to entrust an agent ad litem. The people's court shall, within three days from the date of accepting a case of private prosecution, inform the private prosecutor and his legal representative, the parties to an incidental civil action and his legal representative that they have the right to entrust an agent ad litem.