Traffic accident responsibility confirmation can not sign, which has no influence on the basis of responsibility determination and the effectiveness of traffic accident responsibility confirmation. Signature is the delivery method of the traffic police department. If one party disagrees, it shall apply for review within the statutory time limit.

The contents of the traffic accident certificate:

1, except that the hit-and-run person or vehicle has not been found or the facts of the traffic accident cannot be verified, the traffic accident certificate shall contain basic information such as the parties to the traffic accident, vehicles, roads and traffic environment; The basic facts of traffic accidents; Analysis of traffic accident evidence and its causes: the fault and responsibility of the parties to the traffic accident or the cause of the accident;

2. If the hit-and-run person or car has not been found, and the party requesting compensation for traffic accident damages requests to issue a traffic accident confirmation, the traffic administrative department of the public security organ may make a traffic accident confirmation within 10 days after receiving the written application from the party requesting compensation for traffic accident damages, stating the time and place of the traffic accident, the victim's situation and the facts grasped in the investigation. If there is evidence to prove that the victim is at fault, the victim's responsibility shall be determined; If there is no evidence to prove that the victim is at fault, the victim shall be deemed not to be responsible. And served on the party who compensated for the damage caused by the traffic accident;

3. If the facts of the traffic accident cannot be verified, the traffic administrative department of the public security organ shall make a traffic accident confirmation, stating the time and place of the traffic accident, the situation of the parties and the facts obtained from the investigation, and serve them on the parties respectively.

To sum up, traffic accident responsibility confirmation can serve it on both parties without signing.

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.