Generally speaking, appraisal institutions do not directly accept personal entrustment, but are usually entrusted by public security organs or courts, and the entrusting unit needs to provide a power of attorney and affix its official seal. You don't need an escort The legal appraisal time is 30 working days, that is, the results are given within 30 working days from the date of acceptance of the appraisal. If there are special circumstances, it can be extended, and the ordinary injury will be given for about two weeks. Materials can be mailed, but the victim must be present in person to check and identify the injury, and the medical record must be complete, including the films examined.