Browsers, cookies and Javascript

For security reasons, the Tax Agency only guarantees the correct operation of the website with browsers compatible with HTML5 and versions supported by manufacturers at any time.

Using different browsers or versions that are no longer supported by the manufacturers could give access to and enable viewing of the content of the Tax Agency's website, but does not guarantee a complete and adequate viewing or availability of documents or of other features. You can download updates and browsers on the supplier’s website for these types of programmes.

In addition, for the correct functioning of this website it is necessary that your browser has the use of javascript and cookies enabled (see more details about cookies in the “Privacy Policy” section).