Legal basis: People's Republic of China (PRC) Civil Procedure Law.
Article 76 A party may apply to a people's court for an appraisal of the specific circumstances of finding out the facts. If the parties apply for appraisal, the qualified appraisers shall be determined by both parties through consultation; If negotiation fails, it shall be designated by the people's court. If the parties concerned do not apply for identification, and the people's court considers it necessary to identify specialized issues, it shall entrust a qualified appraiser for identification.
Article 77 An appraiser has the right to know the case materials needed for appraisal, and may ask the parties and witnesses when necessary. The appraiser shall put forward written appraisal opinions and sign or seal the appraisal book.