Upon the permission of the arbitration tribunal, the parties may question the appraiser. 当事人经仲裁庭许可，可以向鉴定人提问。
All three procedure laws and their judicial interpretations require the appraiser to appear at the court and testify his conclusion. 我国的三部诉讼法和司法解释均规定了鉴定人出庭作证的内容。
