Legal analysis: The autopsy report of the deceased in a traffic accident does not require the signature of the perpetrator.

Legal basis: "Regulations on Procedures for Handling Road Traffic Accidents"

Article 40 Examination of corpses shall not be conducted in public places. If an autopsy is required during the examination, the consent of the family members must be obtained. The dissection of an unknown corpse must be reported to the public security organ at or above the county level or to the person in charge of the traffic management department of the public security organ at the next higher level for approval.

Article 41 After the examination of the corpse, the family of the deceased shall be notified in writing to handle funeral matters within ten days. Failure to handle the case within the prescribed time limit without justifiable reasons should be recorded and approved by the person in charge of the public security organ at or above the county level. The public security organ will dispose of the corpse. The cost of overdue storage shall be borne by the family of the deceased. For unknown corpses, forensic doctors will collect personal identification materials, take photos of the corpse, and collect relevant information. After that, the traffic management department of the public security organ will fill in an information registration form for the unknown corpse, and publish an identification notice in newspapers at or above the district or city level. If no one claims the corpse thirty days after it is published, the person in charge of the public security organ at or above the county level or the person in charge of the traffic management department of the public security organ at the next higher level shall approve the disposal of the body.

Article 42 The inspection and appraisal institution shall complete the inspection and appraisal within the agreed or prescribed time limit, and issue a written inspection or appraisal report, signed by the inspection or appraisal person and stamped with the seal of the institution. Inspection and appraisal reports shall specify the following matters: (1) Client; (2) Entrusted matters; (3) Relevant materials submitted; (4) Time of inspection and appraisal; (5) Basis and concluding opinions, through analysis Where conclusive opinions are reached, there should be a description of the analysis process.

Article 43 The traffic management department of the public security organ shall deliver a copy of the inspection or appraisal report to the party concerned within two days from the date of receipt of the inspection or appraisal report. If the party concerned has objections to the inspection or appraisal conclusion, he or she may apply for re-inspection or appraisal within three days from the date of delivery by the traffic management department of the public security organ. The re-inspection or appraisal can be carried out after approval by the person in charge of the traffic management department of the county-level public security organ. For re-inspection and appraisal, another inspection and appraisal institution shall be entrusted or the original inspection and appraisal institution shall appoint another appraiser. The traffic management department of the public security organ shall, within two days from the date of receipt of the re-inspection and appraisal report, deliver a copy of the re-inspection and appraisal report to the party concerned. Re-inspection and appraisal are limited to one time.