Legal analysis: invalid. Disability appraisal institutions do not accept personal entrustment. If an individual entrusts an assessment agency to conduct disability assessment and submits the assessment results to the court, the court usually does not accept such disability appraisal.

Legal basis: Criminal Procedure Law of People's Republic of China (PRC).

Article 146 In order to find out the facts of a case, when it is necessary to solve specialized problems in the case, a person with specialized knowledge shall be appointed to make an appraisal.

Article 147 After conducting an appraisal, an appraiser shall write an appraisal opinion and sign it. If an appraiser intentionally makes a false appraisal, he shall bear legal responsibility.

Article 148 The investigation organ shall inform the criminal suspect and the victim of the expert opinions used as evidence. If a criminal suspect or victim applies, he may make supplementary appraisal or re-appraisal.