1. Under normal circumstances, the liability determination letter for a traffic accident should be signed by the person involved in the accident.

2. If the party concerned is unable to sign for the goods in person due to special reasons, he or she can also entrust another person to sign for the goods on his behalf.

When entrusting another person to sign for the receipt, the following materials should be submitted to the traffic police department:

1) A power of attorney stating the identity information of the principal’s current agent and the identity of the agent. The authorization to sign for the responsibility confirmation letter must be signed and dated by the client.

2) A copy of the agent’s (authorized person’s) ID card.

"General Principles of Civil Law"

Article 63 Citizens and legal persons may perform civil legal acts through agents.

The agent carries out civil legal acts in the name of the principal within the scope of agency authority. The principal shall bear civil liability for the agent's acts of agency.

According to legal provisions or in accordance with the agreement of both parties, civil legal acts that should be performed by the person himself shall not be represented by an agent.

Article 64 Agency includes entrusted agent, legal agent and designated agent.

The authorized agent shall exercise the power of agency in accordance with the entrustment of the principal, the legal agent shall exercise the power of agency in accordance with the provisions of the law, and the designated agent shall exercise the power of agency in accordance with the designation of the People's Court or a designated unit.

Article 65 The agency for civil legal acts may be in written form or verbally. If the law requires a written form, the written form shall be used.

A written power of attorney for an agent shall state the name of the agent, matters of agency, authority and period, and shall be signed or sealed by the principal.

If the authorization in the power of attorney is unclear, the principal shall bear civil liability to the third party, and the agent shall be jointly and severally liable.