Informative notes
Brief explanatory information on the presentation of certain information.
eIDAS authentication reminder for EU citizens
eIDAS (Electronic Identification, Authentication and Trust Services) is a regulatory framework of the European Union that allows citizens of an EU country to use their national electronic identification, such as a digital ID, to access public services in other member countries, facilitating access to public administration services in a secure and efficient manner.
To access the services of the Tax Agency through the eIDAS system, the EU citizen is required to have a Spanish identity identifier such as a DNI , a NIE , a NIF "L" or NIF "M".
Initially, the Tax Agency will offer eIDAS authentication for some of the main procedures and only for the most recent years. In particular, in the area of information declarations, for model 390 corresponding to the year 2024 and following.
Frequently Asked Questions have been posted at the following link .