Damage identification should be carried out in the shortest time after the injury, so as to judge the real situation when the injury occurred, which is conducive to police investigation and filing. The disability appraisal was made after the injury was stable. As you said, you should report the case first and ask the public security organ to file a case for investigation. The public security organ has the right to impose criminal detention on criminal suspects according to the results of forensic expertise.

Legal basis:

Measures for the administration of registration of judicial authentication institutions

Article 2 These Measures shall apply to the judicial authentication institutions engaged in judicial authentication business as stipulated in Article 2 of the Decision of NPC Standing Committee on the Administration of Judicial Authentication.

Article 3 The judicial authentication institutions mentioned in these Measures refer to legal persons or other organizations engaged in judicial authentication business as stipulated in Article 2 of the Decision of the NPC Standing Committee on the Administration of Judicial Authentication.

The judicial authentication institution is the practice institution of judicial appraisers. It shall comply with the conditions stipulated in these Measures, be examined and registered by the provincial judicial administrative organ, obtain a license for judicial authentication, and carry out judicial authentication activities within the registered business scope of judicial authentication.

Article 4 The administration of judicial expertise shall adopt a management system combining administrative management with industrial management.

The judicial administrative organs shall guide, manage, supervise and inspect the judicial authentication institutions and their judicial authentication activities according to law. Judicial expertise industry associations conduct self-discipline management according to law.

Article 5 A unified system of examination registration, roster compilation and roster announcement for judicial authentication institutions and judicial authenticators shall be implemented throughout the country.

Article 6 The development of judicial authentication institutions shall meet the requirements of overall planning, rational layout, optimized structure and orderly development.

Seventh judicial authentication institutions to carry out judicial authentication activities, should follow the principles of legality, neutrality, standardization and timeliness.

Article 8 A judicial authentication institution shall uniformly accept the entrustment, organize its judicial appraisers to carry out judicial authentication activities, abide by laws, regulations and relevant systems, and implement unified judicial authentication implementation procedures, technical standards and technical operation specifications.