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Spanish mutualist pension refund

Tells you whether your Spanish pension qualifies for the second transitional provision, how much comes off and which tax years are still open. There is no single 25 %.

The reduction depends on which society you paid into before 1999, not on today's pension
Do you qualify?
Yes
Largest reduction you reach
100%
Windows that reduce
Before 1967 · 1967 to 1978

The reduction applies to the slice of the pension that corresponds to pre-1999 contributions which could not be deducted at the time.

  • The tax office applies the second transitional provision in line with the Supreme Court judgments, the most recent dated 28 February 2023 and 10 January 2024.
  • In every case the contributions must predate 1 January 1999.

Video: how to use the calculator

1

The rule that grants the right has not moved in nineteen years

The second transitional provision of the Spanish income tax law has a single version, in force since 1 January 2007, and has never been amended. It says that a retirement or invalidity pension deriving from pre-1999 contributions to a mutual provident society is only brought into the tax base to the extent that what is received exceeds the contributions that could not be deducted at the time. Those contributions were already taxed once; the provision exists so that they are not taxed twice. The only thing that has moved in all these years is the procedure for claiming.

2

There is no 25 %: there are four rules, and one of them is 100 %

The law writes a single number, the 75 % in its third paragraph. How that works in practice is published by the tax office itself, applying Supreme Court case law, and it comes to four distinct cases. In a mutualidad laboral, the slice of the pension corresponding to contributions made before 1 January 1967 is reduced by 100 %: that slice is not taxed at all. The slice for contributions between 1 January 1967 and 31 December 1978 is reduced by 25 %. In a mutual society that substituted for the social security managing bodies, the slice before 1 January 1979 is reduced by 25 %. And in a top-up pension, the slice before 1 January 1995. Two pensioners with identical contribution records recover very different amounts depending on which kind of society they paid into.

3

Four exclusions, and the first is the most likely reader

The tax office names four pensions with no right at all. Self-employed mutualidades laborales are excluded because those contributions were already deductible when they were made, so there is no double taxation to undo: a retired self-employed worker is the person most likely to believe this applies to them, and it does not. Anyone who spent their whole working life only in the Clases Pasivas scheme is excluded because that scheme is not a mutual society. Survivor pensions are excluded because they do not derive from the recipient’s own contributions. And non-contributory pensions, because they do not come from earlier contributions.

4

The four-year wait almost every published guide still describes

Final provision sixteen of Law 7/2024, as originally drafted in December 2024, spread the claim at the rate of one tax year per calendar year starting in 2025: 2019 in 2025, 2020 in 2026, 2021 in 2027 and 2022 in 2028. Final provision five of Law 5/2025 deleted that entirely with effect from 26 July 2025 and replaced it with the opposite: the same form for 2019 and earlier non-time-barred years also serves to claim the refund for 2020, 2021 and 2022, even where it had already been filed before the reform. One form, four tax years, and it works backwards for anyone who had already filed.

5

And the reform travelled inside a motor insurance act

Law 5/2025 of 24 July is the Spanish act on civil liability and insurance for motor vehicles. The correction to the mutualists’ timetable is its fifth final provision, at the very end of the text. That is why the change went almost unnoticed by people who follow tax news, and why so many pages are still standing that explain a four-year wait which stopped existing more than a year ago.

6

The 216 days nobody adds

The same reform added a sixth paragraph to final provision sixteen: from 22 December 2024 until the date this provision enters into force, the limitation period for requesting the refunds is suspended. There are 216 days between those two dates, and they are added to the four-year period in article 66.c) of the General Tax Act for every tax year that was still running on 22 December 2024. Tax year 2021, which without the suspension expired on 30 June 2026, now expires on 1 February 2027. Tax year 2022 moves from 30 June 2027 to 1 February 2028. A suspension does not revive what has already lapsed, which is why the provision always speaks of earlier years that are not time-barred.

7

Each tax year has its own route, and the wrong one is rejected

From 2023 onwards there is nothing to request: the tax office computes the adjustment inside the return itself, as it already did in the 2024 and 2025 campaigns. For 2019 to 2022 the route is the authorisation form in final provision sixteen, and its fourth paragraph requires the tax office to reject any other self-assessment or amendment request filed for that purpose. Filing an ordinary amendment request for those years is not a slower alternative route: it is a closed one.

8

The window for the form expired and no order in force opens another

Article 14.3 of Order HAC/242/2025 set the window for the form between 2 April and 30 June 2025, both inclusive. Order HAC/277/2026, which approves the 2025 tax year models, has twelve articles and none about this: the word authorisation does not appear once in its text, while its predecessor had fourteen and the last two were this form and its identification rules. That does not mean the form is closed, because the tax office still offers the service online and its procedure record was updated on 22 April 2026. It means the published window expired, no order in force opens another, and anyone with a live tax year is well advised not to wait.

9

What this calculator cannot know

Which exact slice of your pension corresponds to each contribution window. The tax office takes it from your social security contribution record and you cannot reproduce it. The amount mode splits the pension pro rata by the months you enter, marks the result as an estimate and returns an order of magnitude, not the figure the tax office will settle on. The saving is estimated by multiplying the reduction by the marginal rate you enter: it is not an assessment.

Worked example

A state pensioner who paid into a mutualidad laboral receives €24,000 gross a year and contributed for 240 months: 24 before 1967, 120 between 1967 and 1978 and 96 from 1979. Pro rata, €2,400 of the pension belongs to the first window, €12,000 to the second and €9,600 to the third. The first is reduced by 100 % and contributes €2,400; the second is reduced by 25 % and contributes €3,000; the third reduces nothing. The total reduction is €5,400, the tax base falls from €24,000 to €18,600 and, at a 30 % marginal rate, the estimated yearly saving is €1,620.

Frequently asked questions

Exactly how much is reduced?
It depends on the window. In a mutualidad laboral, the slice of the pension corresponding to contributions before 1 January 1967 is reduced by 100 % and is not taxed; the slice for contributions between 1967 and 1978 is reduced by 25 %. In a substitute mutual society, the slice before 1979 is reduced by 25 %. In a top-up pension, the slice before 1995. The law writes the same figure the other way round: 75 % of the benefit is brought into the base.
I am a retired self-employed worker. Does it apply to me?
No. The tax office expressly excludes pensions obtained from contributions to self-employed mutualidades laborales, because those contributions were already deductible when they were made. Since they did reduce the tax base at the time, there is no double taxation to undo and nothing to claim.
My husband was a mutualist and I receive his survivor pension. Can I claim?
No. Survivor pensions fall outside the second transitional provision because they do not derive from the recipient’s own contributions. The reduction follows whoever made the contributions, not whoever receives the pension now. What may still be open is the refund for the tax years in which the mutualist themselves received their retirement pension.
Is it still true that you must wait a year for each tax year?
No. That staggering was in force from 22 December 2024 and final provision five of Law 5/2025 repealed it with effect from 26 July 2025. Today a single form covers 2019 and earlier non-time-barred years plus 2020, 2021 and 2022, and it also works for anyone who filed it before the reform.
Which tax years can I still claim?
Those that have not lapsed. The limit is four years from the end of the filing period for each tax year, and the 216 days of suspension are added to any year still running on 22 December 2024. On that basis 2021 expires on 1 February 2027 and 2022 on 1 February 2028. The time-limit mode works it out against today’s date.
I filed a request in 2024 and was never paid. Have I lost it?
The authorisation was set aside if the refund had not been agreed before 22 December 2024, but the provision itself expressly preserves any interrupting effect on the limitation period. That filing interrupted the clock, so the four years start again from it. Refunds already paid are unaffected.
What about tax years from 2023 onwards?
They are not claimed. The tax office computes the second transitional provision adjustment inside the income tax return itself, as it did in the 2024 and 2025 campaigns. If your return already reflects it, there is no form to file for those years.
Can I claim through an ordinary amendment request?
For tax years 2019 to 2022, no. Paragraph 4 of final provision sixteen requires the tax office to reject any other self-assessment or amendment request filed to obtain these refunds where it does not comply with that provision. The route is the form.

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Author: Thorben Rasmus Idel · Reviewed by: Nahar Geva · Last reviewed: