Technical requirements to access to BASE on-line

To proceed any application to BASE electronic headquarters the following technical requirements should be installed in your computer:


  • Internet Explorer 10 or upgraded versions.
  • Mozilla Firefox 48.6 (not higher than version 51).
  • Safari.
  • Chrome.

Ensure that you pop-up blocker is disabled.

Java Runtime v7 or upgraded version

Check if last version of Java or any compatible program is installed in your computer.

You can download the upgraded version from the following link:

Adobe Acrobat Reader

This program allows you to see all the documentation generated over the electronic headquarters.

Click the following link to download a free version:

Public keys

In the cases that the system used to identify are:

  • Digital certificate: idCAT, DNIe, others.
  • Cl@ve, option DNIe / Electronic certificate

To perform any procedure and formality at the BASE on-line it is necessary to have the public keys of Local Administration of CATCert. You have to confirm that you trust in this entity in the case of the system asks it you.

To obtain the keys you have to click the following link and follow the indications:

Digital certificate

Any certificate valid and accepted by the VALid service. You can validate your certificate at the address

How to get the digital certificate?

The Certification Authorities that issue some certificates accepted for BASE-online procedures are as follows:

Certificate Authority How to get it?
idCAT Agència Catalana de Certificació (CATCert)

You can get the IdCAT digital certificate at BASE offices network.

idCAT Mòbil Agència Catalana de Certificació (CATCert)

idCAT Mòbil
Watch vídeo: How to get the IdCAT Mòbil with the National Identity Card and Health Card?

Electronic DNI Dirección General de Policía
FNMT Fábrica Nacional de Moneda y Timbre (CERES)
Any other digital identification issued by CATCert Agència Catalana de Certificació (CATCert)