Electronic signature (certificate or electronic ID) and Cl@ve system - Technical help
Find out how to apply for and work with an electronic certificate, how to register in the Cl@ve system or how to identify yourself with the electronic DNI.
Contact us
For assistance with computer incidents or support on computer technical issues, contact us through the following link:
- Electronic certificates
Get the digital certificate and identify yourself with it on our website
- Cl@ve - Technical help
Learn how the Cl@ve system works
- Electronic ID
Check and configure your electronic DNI to identify yourself with it.
- Reference number
Get a reference to manage all available Income services comfortably
- eIDAS - Access for EU citizens
Learn how to authenticate yourself using your electronic ID from your country of origin
- DNI or NIE number with contrast data
How to identify yourself using your DNI or NIE number with contrast data
- TOKEN
Learn how to obtain a temporary code to access the telephone channel
- Secure Verification Code (CSV)
How to identify yourself using the CSV of a notification or communication received from the AEAT
- Types of identification available for electronic transactions
Discover the options available to identify yourself in our e-Office.