Legal analysis: the lottery in court auction refers to the situation that when there are multiple appraisal institutions to choose from, the corresponding appraisal institutions are selected according to random probability. The identification of authentication institutions shall be determined by both parties through consultation. If negotiation fails, the court may determine the appraisal institution by drawing lots or lottery. If both parties give up drawing lots or draw lots to determine the appraisal institution, the people's court may directly designate the appraisal institution.
Legal basis: Provisions of the People's Court on the Administration of Entrusting Foreign Parties to Conduct Judicial Expertise Article 10 The judicial expertise institutions of the people's courts shall organize litigants to entrust foreign parties to conduct judicial expertise in accordance with the principle of respecting the choice of the parties and the designation of the people's courts.