The term "electronic signature" as mentioned in this Law refers to the data contained in a data message to identify the identity of the signer and show that the signer approves its contents. The term "data message" as mentioned in this Law refers to information generated, sent, received or stored by electronic, optical, magnetic or similar means.
An electronic signature shall be regarded as reliable if it meets the following conditions:
(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.
The parties can also choose to use electronic signatures that meet their agreed reliable conditions.