Error 403, SSL connection error, The page cannot be shown or Secure connection failed when accessing or signing a procedure on the internet

Error 403. You want to register in the Cl@ve system

If error 403 appears when trying to register in the Cl@ve system with a certificate or electronic DNI , you must ensure that you have a valid electronic signature and that the internet browser recognizes it.

To do this, you can follow the detailed instructions in the help links when accessing with a certificate or DNIe and error 403 occurs, selecting the corresponding option for the browser and operating system used.

If you do not have a certificate or DNI electronic request to send the invitation letter to Key from the option "Register in Key" available on the Electronic Office.

The letter will be sent to the tax address listed in our database at the time of the request. Once received, access the same option "Register in Key" to complete the registration.

If you do not receive the letter with the CSV to register, check which is the tax address that appears in the AEAT census.

For more information about this procedure, consult the help for "Requesting an invitation letter to Key and register with CSV".

Another alternative for registration in Key It is the video identification option from the APP Key. It is a comfortable system, which does not require travel, for which it is only necessary to download and install the APP on your mobile device, have a DNI in force and provide a personal email address and telephone number. With this registration you acquire a basic level but in A subsequent process, once the review of electronic evidence (video, identity document and facial biometrics) has been successfully completed by an authorized public employee, allows the advanced registration level to be obtained directly.

In-person registration is also possible at any of the designated government offices.