1. When electronic signature production data is used for electronic signature, it belongs exclusively to 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 signing can be found;
Any changes in the content and form of the data message after signing can be found.
Conditions for an effective electronic contract.
A valid electronic contract shall meet the following conditions:
1, the original data message, can reliably keep the content intact and tamper-proof, and meet the original form and file preservation requirements stipulated by law;
2. Electronic signature, which can identify the signer and signature time, prevent tampering, and meet the requirements of effective electronic signature stipulated by law;
3. The identity has been effectively authenticated by a third party and meets the authentication requirements stipulated by law.
As can be seen from the above, a reliable electronic signature on a contract has the same legal effect as a handwritten signature or seal.
Legal basis:
People's Republic of China (PRC) electronic signature method
essay
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.
The provisions of the preceding paragraph shall not apply to the following documents:
(a) involving marriage, adoption, inheritance and other personal relationships;
(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.
Article 13
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.
Article 14
A reliable electronic signature has the same legal effect as a handwritten signature or seal.