Civil law respects people's autonomy of will. As long as both parties are willing, they can trade without violating the law and general public order and good customs. The law does not expressly prohibit or restrict the circulation of star signatures. However, if it is not authorized by the signatory, it belongs to unauthorized agency, and it has no legal effect without ratification by the signatory. Unauthorized agency behavior refers to the agency behavior that the actor has no agency right, exceeds the scope of agency right or is implemented after the agency right is terminated.

Instructions for signing for others:

1, in place of someone else's signature, there must be a power of attorney;

2. If there is no power of attorney, the signature on behalf of others is invalid;

3. The losses caused thereby shall be borne by the signatory;

legal ground

Article 130 of the Civil Code of People's Republic of China (PRC) * * * Civil subjects exercise their civil rights according to their own wishes without interference. Article 133 A civil juristic act is an act in which a civil subject establishes, changes or terminates a civil juristic relationship through expression of will. Article 134 A civil juristic act may be established unanimously based on the will of two or more parties, or unilaterally. If a legal person or an unincorporated organization makes a resolution in accordance with the way of discussion and voting procedures stipulated by law or articles of association, the resolution is established. Article 135 A civil juristic act may be in written form, oral form or other forms; Where laws and administrative regulations stipulate or the parties agree to adopt a specific form, it shall adopt a specific form. Article 136 A civil juristic act shall take effect upon its establishment, except as otherwise provided by law or agreed by the parties.

Without the legal provisions or the consent of the other party, the actor may not change or terminate the civil juristic act. Article 137 The expression of intention made by means of dialogue shall take effect when the counterpart knows its contents.

Non-dialogue means it takes effect when it reaches the other party. Non-conversational meaning in the form of data message means that if the counterpart designates a specific system to receive the data message, the data message will take effect when it enters the specific system; If no specific system is specified, the counterpart knows or should know that the data message will take effect when it enters its system. If the parties have otherwise agreed on the effective time of the expression of intention in the form of data message, such agreement shall prevail.