The electronic register requires the use of a digital certificate or an electronic signature system recognised by any of the official domestic certification entities, or the electronic National Identity Card.

Technical requirements

• Operating system: Windows 98 or higher.
• Browser: Internet Explorer, versions 6.0, 7.0 and 8.0 or Mozilla Firefox 4. Compatibility with Opera.
• Java Runtime Environment v. 1.4.2 or higher (installed on the browser). Compatibility with Java 7.
• Permission to download and run Applets. You must be the administrator of the computer to be able to install the signature Applet on the system.
• Antivirus programmes may block installation of the Applet.
• PDF document reader.

Windows Vista users

Windows Vista users: The Internet Explorer browser incorporated into Windows Vista has added a new security measure which controls access by external applications to the certificates installed on the browser. In order to disable said measure, you should go to Tools / Internet Options, and in the Security tab uncheck 'Enable Protected Mode'.