The responsibility certificate does not need to be signed by both parties of the traffic police force. According to the law, the road traffic accident certificate should be served on the parties and signed by them. If the parties refuse to sign for it, it will not affect the validity of the responsibility confirmation, but the traffic police shall indicate the relevant information on the confirmation.

Legal objectivity:

Provisions on procedures for handling road traffic accidents

Article 24

After leaving the scene, the traffic police shall identify and record the time, place, weather, name, driver's license number or ID number, contact information, motor vehicle type and license plate number, insurance company, insurance certificate number, road traffic accident form and collision location. Identify road traffic accidents according to fixed on-site evidence, and determine the responsibilities of the parties according to Article 60 of these Provisions, and identify road traffic accidents on the spot. Do not have the conditions to make on the spot, the traffic police shall make a road traffic accident identification within three days.

The confirmation of road traffic accidents shall be signed by the parties concerned and delivered on the spot. If the parties refuse to sign for it, the traffic police shall indicate the situation on the road traffic accident certificate.