Legal analysis: Electronic signature has legal effect. In civil activities, the parties may agree to use or not use electronic signatures and data messages. In civil activities, the parties may agree to use or not use electronic signatures and data messages in contracts or other documents, vouchers and other documents. A document in the form of electronic signature or data message agreed by the parties shall not be denied its legal effect just because it is in the form of electronic signature or data message.

Legal basis: Article 3 of People's Republic of China (PRC) Electronic Signature Law. In civil activities, the parties may agree to use or not use electronic signatures and data messages. A document in the form of electronic signature or data message agreed by the parties shall not be denied its legal effect just because it is in the form of electronic signature or data message. The provisions of the preceding paragraph shall not apply to the following documents: (1) Personal relations such as marriage, adoption and inheritance are involved; (two) involving the cessation of water supply, heating, gas supply and other public utilities services; (3) Other circumstances in which electronic documents are not applicable as stipulated by laws and administrative regulations.