The default password of tax digital certificate is 8-digit password, which must be modified for the first time (suggested to be: 12345678). Double-click to open "NISEC User Management Tool", enter the new password twice in the password setting and save it. If the tax digital certificate is entered incorrectly for 8 times, it will be locked, and you need to take the tax control panel to the tax bureau to re-issue the certificate.

The default password of tax control panel and tax return panel is 8 8, and it is not recommended to modify it. If the password of the tax control panel is entered incorrectly for 5 times, it indicates that the pin is locked, and you need to take the panel to the background of the tax bureau to unlock it.