People's Republic of China (PRC) Evidence Law

Article 85 A public prosecutor, a party or a people's court may, for the smooth progress of a lawsuit, employ an expert witness with specialized knowledge, skills and experience to testify in the lawsuit by adopting expert conclusion, expert opinion or other means.

Article 86 If an appraiser has kinship or other interests with the parties to the case, or thinks that he is not competent for the statement of this special question, he may apply for withdrawal, and the public prosecution organ, the parties or the people's court may hire or assign him separately.

Article 87 If the people's court considers that specialized issues in a case need to be appraised, it shall employ experts with appraisal qualifications to conduct appraisal.