The Income Tax Campaign Kicks Off Today With The Online Filing Of Tax Returns.

MADRID, SPAIN - APRIL 08: A person makes the draft of their income tax return on a computer, on 8 April 2026, in Madrid, Spain. The Income and Wealth Tax Campaign for the year 2025 has started today, 8 April, with the filing of returns online. The Tax Agency has already made its tax data and other content available to taxpayers so that they can make the necessary arrangements to file their tax returns in advance. Also available is the new service for obtaining the reference number for 2025, which will allow all the services for the Campaign (and for previous campaigns) to be managed. (Photo By Jesus Hellin/Europa Press via Getty Images)