It is not necessary, but it can be recognized as an enterprise legal person with the approval of the competent department of information industry in the State Council. According to the electronic signature law, if the electronic signature needs third-party authentication, the legally established electronic authentication service provider will provide authentication services.

Two, the electronic signature includes the following contents:

1. Electronic signature is data in electronic form.

2. The data message is accompanied by an electronic signature. Electronic signature can be a part of data message or an attachment of data message, which has a certain logical relationship with data message and can link data message with electronic signature.

3. An electronic signature must be able to identify the identity of the signer and show that the signer approves the contents of the data message related to the electronic signature.

Article 13 of the Electronic Signature Law: An electronic signature that meets the following conditions shall be regarded as a reliable electronic signature:

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

(two) the electronic signature is only controlled by the electronic signer at the time of signature;

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

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

Must the electronic signature be authenticated by a third party? For the effective conditions or legal provisions of electronic signature, if it involves your life or work, you must make it clear. As for the legal effect or legal content of electronic signature, I really don't know what to do. I can ask a lawyer to answer directly.