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Tax calculator

Now, being unstoppable against leukaemia has even more advantages

As of 1 January 2024, you can recover up to 80% of your contribution by deducting your donations from your income tax return

Calculate your tax benefits

The Royal Decree Law 6/2023 of December 19, updates the Law of Patronage, except for the Basque Country and Navarre which are regulated in accordance with their regional financing regimes.

Total contribution




Information valid for the total contributions to charities according to the Royal Decree Law 6/2023, of December 19.

This fiscal improvement does not apply in the Basque Country or in Navarre.

If you have made a donation of the same or a higher amount to our Foundation in the previous two years, you will be entitled to an additional tax deduction.

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