The issuance of the accident identification letter shall comply with the corresponding legal procedures. Different traffic accident cases have different production time of traffic accident liability determination. The specific analysis is as follows: 1. The traffic management department of the public security organ shall prepare a road traffic accident identification letter within ten working days from the date of the on-site investigation. 2. In the case of hit and run, a road traffic accident identification certificate shall be prepared within ten working days after the vehicle and driver involved in the accident are found.
Legal basis: Article 93 of the Regulations for the Implementation of the Road Traffic Safety Law of the People's Republic of China, the traffic management department of the public security organ shall prepare a traffic accident identification letter within 10 days from the date of investigating the scene for the traffic accidents that have passed the inquest and inspection. If it is necessary to conduct inspection and appraisal, a traffic accident identification shall be made within 5 days from the date when the inspection and appraisal results are determined.