The contract locking electronic contract is legal. Article 1 1 of the United Nations Model Law on Electronic Commerce stipulates: Unless otherwise agreed by the parties, the offer and acceptance of a contract may be expressed by electronic means, and the validity or enforceability of the contract shall not be denied just because of the use of electronic means.

Article 11 of People's Republic of China (PRC) Electronic Signature Law shall be regarded as the time when the data message enters the information system beyond the control of the sender.

If the addressee designates a specific system to receive the data message, the time when the data message enters the specific system 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.

If the parties have otherwise agreed on the time of sending and receiving data messages, such agreement shall prevail.

skill

The above answer is only for the current information combined with my understanding of the law, please refer carefully!

If you still have questions about this issue, I suggest you sort out relevant information and communicate with professionals in detail.