1, the traffic accident liability appraisal does not need to be signed by both parties to take effect. If one party confirms the signature, the accident liability appraisal will take effect. Traffic accident responsibility confirmation shall be signed or sealed by the police handling the case, and stamped with the special seal for handling road traffic accidents by the traffic management department of the public security organ.

2. Legal basis: Article 64 of the Provisions on Procedures for Handling Road Traffic Accidents.

The confirmation of road traffic accidents shall include the following contents:

(a) the basic information of the parties to the road traffic accident, vehicles, roads and traffic environment;

(2) The course of the road traffic accident;

(3) Evidence of road traffic accidents and analysis of accident causes;

(four) the fault and responsibility of the parties to the road traffic accident or the cause of the accident;

(five) the name and date of the traffic management department of the public security organ that made the road traffic accident identification.

The confirmation of road traffic accidents shall be signed or sealed by the traffic police, and stamped with the special seal for handling road traffic accidents by the traffic management department of the public security organ.

Second, what materials should be prepared for traffic accident prosecution?

1. Civil indictment, one for the people's court and one for each defendant;

2, traffic accident evidence materials, mainly including medical expenses, hospitalization fees and other receipts, medical records and diagnosis certificates issued by medical institutions; Proof of lost time expenses issued by medical institutions and proof of income issued by work units; A formal bill evidencing the transportation expenses; The household registration certificate of the victim and his near relatives. If the victim is a rural household registration, it is best to provide proof that he lived in the town for more than 1 year at the time of the traffic accident and had a fixed income; Proof of incapacity or disability of the victim; Proof that the dependant and the victim are close relatives, and proof that the dependant is a minor or has lost the ability to work and has no other source of income; Traffic accident responsibility confirmation and other evidential materials.