Corporation Tax and Non-Resident Income Tax
In order to facilitate the preparation, modification and filing of the Corporation Tax and Non-Resident Income Tax returns, please use the Tax Return Processing Service (Corporations WEBSITE), accessible from any browser. Accessing this service is possible through a certificate or electronic ID [DNI]
Management
Previous years
From this section you can access the Corporate and Income Tax assistance programs for non-residents provided by the Tax Agency for the year 2017 and previous years. To download the Corporate and Income Tax assistance programs for non-residents, the installation files are available for Windows, Mac OS X and Linux operating systems. The compressed version (.jar) is also available, which may be useful in cases where installation problems arise.