Legal analysis: The parents' names on behalf of the signer need to be determined according to the specific circumstances, as follows: 1. If the child is at school, it is the name of the parents; 2. If the child has entered the society, but the minor is basically signed by the guardian; 3. In addition to explicitly asking to sign the document of my name type. The provisions for signing on behalf of the authorized person are as follows: 1. It is legal to sign on behalf of the authorized person; It is illegal to sign on behalf of others without the entrustment or authorization of the client.

Legal basis: Article 171 of the Civil Law of People's Republic of China (PRC), if the actor has no power of attorney, exceeds his power of attorney or continues to act as an agent after the termination of his power of attorney, it will have no effect on the principal without ratification by the principal. The counterpart may urge the principal to ratify it within 30 days from the date of receiving the notice. If the trustor fails to declare it, it shall be deemed as refusal to ratify it. Before the act committed by the actor is ratified, the bona fide counterpart has the right to revoke it. Revocation shall be made by notice. If the act committed by the actor is not ratified, the bona fide counterpart has the right to demand the actor to perform the debt or demand the actor to compensate for the damage he has suffered. However, the scope of compensation shall not exceed the benefits that the counterpart can obtain when the principal ratifies. If the counterpart knows or should know that the actor has no right to act as an agent, the counterpart and the actor shall bear the responsibility according to their respective faults.