The Electronic Signature Law stipulates that the parties may agree to use or not use electronic signatures and data messages in contracts or other documents and vouchers in civil activities.

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 Electronic Signature Law stipulates that a reliable electronic signature has the same legal effect as a handwritten signature or seal. "Reliable electronic signature" requires:

(1) When the electronic signature production data is used for electronic signature, it belongs to the exclusive rights of the electronic signer;

(2) When signing, the electronic signature production data is only controlled by the electronic signer;

(3) Any changes to the electronic signature after signature can be found;

(4) Any changes to the content and form of the data message after signature can be found.