A reliable electronic signature has the following requirements:
① When an electronic signature is used for signature, it belongs to the electronic signer;
② Electronic signature is only controlled by the signer when signing;
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.
Legal basis: Article 14 of People's Republic of China (PRC) Electronic Signature Law * * * A reliable electronic signature has the same legal effect as a handwritten signature or seal.
Article 10 of the Labor Contract Law of People's Republic of China (PRC) shall conclude a written labor contract when establishing labor relations. If a labor relationship has been established and a written labor contract has not been concluded at the same time, a written labor contract shall be concluded within one month from the date of employment. If the employer and the employee conclude a labor contract before employment, the labor relationship shall be established from the date of employment.