Is effective. At present, the use of electronic signatures is restricted by some laws. Electronic seal is not applicable to the following situations:

1, involving personal relationships such as marriage, adoption and inheritance.

2, involving the transfer of land, housing and other real estate rights.

3, involving the cessation of water supply, heating, gas supply, power supply and other public utilities services.

4. Other circumstances in which electronic documents are not applicable as stipulated by laws and administrative regulations.

An electronic signature shall be regarded as reliable if it meets the following conditions:

1. When electronic signature production data is used for electronic signature, it belongs 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.

Article 387 of the Procedures for Handling Criminal Cases by Public Security Organs: Public security organs can use electronic signature and electronic fingerprint and seal technology to make electronic transcripts and other materials, and can use electronic seals to make legal documents. The public security organ shall simultaneously record and video the process of electronic signature and electronic fingerprint printing of the parties to the case.