The traffic accident liability determination letter can be invalidated after both parties sign it. When a traffic accident occurs, it is usually handled by the traffic police. The traffic police will issue a traffic accident liability determination letter to determine the main responsible party, the secondary responsible party, the non-responsible party, etc. If the party concerned is not satisfied with the traffic accident liability determination letter, even if You can regret it after signing it. The party concerned may renege after signing the accident liability determination letter, but this will not affect the validity of the liability letter.

If you are dissatisfied with the determination letter, you may submit a written review application within three days from the date of delivery of the road traffic accident determination letter or road traffic accident certificate. The review application shall state the review request, its reasons and main evidence. A road traffic accident determination certificate shall be produced within ten days from the date of on-site investigation. In a hit-and-run case, a road traffic accident determination certificate will be issued within ten days after the vehicle and driver involved in the traffic accident are seized. If inspection or appraisal is required, a road traffic accident determination certificate shall be produced within five days from the date on which the inspection or appraisal conclusion is determined.

Legal basis: Article 71 of the "Regulations on Procedures for Handling Road Traffic Accidents"

If the party concerned has objections to the identification of a road traffic accident or the issuance of a road traffic accident certificate;

A written review application may be submitted within three days from the date of delivery of the road traffic accident determination letter or road traffic accident certificate. If a party submits a review application after the deadline, it will not be accepted and the applicant will be notified in writing.

The review application shall state the review request, its reasons and main evidence. The review of the same incident is limited to one time.