ai4abundance.org/spain · Foundations under a supervisory Protectorado, and a patronage law reformed in 2024 that raised the deductions and, for the first time, let donors receive something back.
| Feature | Why it changes our advice |
|---|---|
| Protectorado | Foundations sit under a supervisory Protectorado, state or regional depending on scope, alongside registration |
| Ley 49/2002, reformed by RDL 6/2023 | The patronage regime was amended with effect from 1 January 2024, after four failed attempts over two decades |
| Higher personal deductions | The IRPF deduction rose from 35% to 40%, with a higher rate of 45% for sustained giving to the same entity. Recurring donors are now worth materially more to model properly |
| Mecenazgo de recompensa | The reform allows a donation to qualify even where the donor receives goods or services in return, within limits. Spanish fundraising design can now use benefits in a way it could not before |
| Justification of donations | The relief depends on the donation being properly evidenced, so donor records are a tax matter rather than a filing habit |
| GDPR, applied through Spanish law | Donor data sits under the GDPR as applied in Spain, which shapes what AI may touch |
A deduction that rises with sustained giving makes the second and third year of a donor relationship worth more than the first. Very few Spanish donor files are segmented in a way that can even see that.
Modelling sustained giving against the higher rate, and finding the donors already close to it.
Properly evidenced giving is the condition of the tax treatment. We build the record once and use it twice.
One set of numbers in two languages, with no drift between the versions.
The statute, the 2024 reform and the deduction rates named here were checked against primary and official sources on 12 November 2026. Regional rules and autonomic deductions vary, so treat this as orientation. Nothing here is legal or tax advice.
The relief changed in 2024. Most donor files have not caught up.
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