The information returned by the tax digital certificate system is that the certificate does not exist.

Expired certificate: If your certificate has expired, it will no longer be displayed in the electronic tax bureau. You need to reapply for a certificate, and then import a new certificate in the electronic tax bureau. Certificate is not installed or imported incorrectly: If you do not install a certificate, or there is an error when importing a certificate, the certificate will not be displayed on the electronic tax bureau. You need to reinstall or import the certificate and ensure that the certificate has been successfully installed or imported. Damaged or lost certificate: If your certificate is damaged or lost, it will not be displayed on the electronic tax bureau. You need to reapply for the certificate and install or import it as needed.

The solution is:

1。 Check whether the certificate has expired. If so, you need to apply for a new certificate.

2。 Check whether the certificate has been installed or imported. If not, you need to reinstall or import the certificate.

3。 If the certificate is damaged or lost, you need to apply for a new certificate and install or import it as needed.

The method for instal that certificate is:

1。 Open the certificate management tool: open the certificate management tool (such as security control management tool or certificate management tool) on the computer, find the tax control certificate, and confirm that the certificate status is "valid".

2。 Install the certificate: If the certificate is not installed, you can install the certificate by double-clicking the certificate file or selecting Import in the certificate management tool. According to the prompt, select the correct certificate file and password, and then follow the steps to complete the certificate installation.

3。 Check the certificate installation: After the installation is completed, you can check whether the certificate has been successfully installed in the certificate management tool. If the certificate status is "valid", it means that the certificate was successfully installed.

4。 Restart the tax control equipment: after the certificate is installed, you need to restart the tax control equipment, and then log in to the tax control equipment again to verify whether the certificate is installed successfully.

I hope the above content can help you. If in doubt, please consult a professional lawyer.

Legal basis:

Article 13 of People's Republic of China (PRC) Electronic Signature Law

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.

Article 15

The electronic signer shall properly keep the electronic signature making data. When the electronic signer knows that the electronic signature production data has been or may have been compromised, he shall promptly inform the relevant parties and stop using the electronic signature production data.

Article 16

If the electronic signature requires third-party authentication, the legally established electronic authentication service provider shall provide authentication services.