Specification and definition of data message in People's Republic of China (PRC) Electronic Signature Law;

(1) The time when a data message enters an information system beyond the sender's control shall be regarded as the sending time of the data message. The time when a data message enters a specific receiving system designated by the addressee shall be regarded as the receiving time of the data message; If no specific system is specified, the time when the data message first enters any system of the addressee shall be regarded as the time of receipt of the data message.

(2) Generally speaking, unless otherwise agreed by the sender and the recipient, data messages should be sent at the sender's principal place of business and received at the recipient's principal place of business. If there is no main place of business, the place of sending or receiving shall be its habitual residence. The sending place and receiving place of data messages are of great significance for determining the place where the contract is established, the jurisdiction of the court and the application of the law.

(3) Evidence legal effect of data message: All materials and their derivatives that exist in electronic form and can prove the true situation of the case can become electronic evidence. A data message shall not be refused to be used as evidence just because it was generated, sent, received or stored by electronic, optical, magnetic or similar means.