Remaining personal deduction: the part that carries forward

What is the remaining personal deduction?

Your remaining personal deduction is the part your income was too small to absorb. It does not disappear at the end of the year. It moves into the next year and waits there for a year with enough income to use it.

The Dutch personal deduction, the persoonsgebonden aftrek, is a closed statutory group of four kinds of personal cost¹. We cover what all four share: the order they come off your income, what is left over and when you can still use it.

That boundary catches most readers out. Mortgage interest is the largest deduction on a Dutch return and it sits outside this group entirely. So do the other costs of your own home. The full map of what an individual may deduct sits on tax deductions in the Netherlands.

Hakim moved to the Netherlands in October and pays partner alimony to his ex-partner every month. His Dutch income covers one quarter of that year. His alimony covers all of it. His figures run through this page from here on.

Which costs count as personal deduction?

Each category has its own rules, its own thresholds and its own page.

Since 1 January 2022 study costs no longer belong to the group¹. That matters more than it looks. A remaining personal deduction built up from study costs in 2021 or earlier can still be sitting on your file. Ending the deduction did not touch amounts that were already fixed.

The list below sets out the four categories, with the page that carries the depth on each.

In which order does the personal deduction come off your income?

It comes off Box 1 first, then Box 3, then Box 2. The law fixes that order. You do not choose it and neither does the Belastingdienst. Inside each box the deduction can bring your belastinggrondslag, the income you pay tax on, down to nil. It never takes it below nil.

That last rule is what creates a remaining personal deduction. Once all three boxes stand at nil and part of the deduction is still unused, that part is your restant. The table sets out the order and what each step leaves behind.

How do you work out your own remaining personal deduction?

Work down the three boxes in order and stop where the deduction runs out. That is the same arithmetic the Belastingdienst does on your return.

Take Hakim. His personal deduction for that year is €9,000 in paid alimony. His Box 1 income for the three months he worked here is €3,500. The deduction wipes that out and €5,500 is still open. His taxable Box 3 income is €1,200 and that comes off too. He has no Box 2 income at all, so the last €4,300 has nowhere to go that year.

That amount is his remaining personal deduction. It is not lost. It joins his personal deduction for the following year, on top of whatever alimony he pays then.

Where do you find your remaining personal deduction?

You find it on the definitieve aanslag for the year the amount arose. That is your final tax assessment for that year. The same figure sits in the return you filed for it.

The Belastingdienst does more than note the number. The inspector fixes your restant in a decision of its own. You can object to that decision, which matters if the figure looks wrong to you.

One further rule sits behind all of this. A restant can only come off a year whose income the Belastingdienst has already fixed in an assessment. A year that was never assessed cannot absorb anything yet.

Can you choose the year your remaining personal deduction is used?

The law puts your restant into the following year on its own. Neither you nor the Belastingdienst picks the year. So it has to go against the earliest year that had income.

That is where the timing bites. If the assessments for those earlier years already stand, the set-off has to run through a separate correction route. That route has a time limit of its own. Once it closes, the restant simply sits there.

Amending a return you filed is a different thing again. It has its own window and it does not decide which year absorbs your restant. The two get mixed up often. Splitting the deduction with a fiscal partner is a separate choice, not a year choice.

What happens in the year you arrive or leave?

A part-year of Dutch income is the most common way a restant appears. You move here in October or you move away in March, so your Dutch income covers a slice of the year. Your alimony, your care costs and your gifts do not shrink to match.

That gap is exactly what the carry-forward is for. The unused part goes into the next year. By then you may have a full year of Dutch income to set it against.

The return for a year you moved is its own form with its own rules. We explain that one on the M-form page.

Do you keep the deduction if you live outside the Netherlands?

Living outside the Netherlands does not automatically close the personal deduction. There is a status for this: the kwalificerende buitenlandse belastingplichtige or qualifying non-resident taxpayer. The first condition is where you live: the EU, the EEA, Switzerland or the BES islands. The second is that the Netherlands taxes almost all of your worldwide income.

Meet both and you have the same deductions and tax credits as a resident, the personal deduction included. The tax authority of the country you live in has to certify an income statement for it.

If you file from abroad on Dutch income, the return itself is the C-form.

What does this mean for you?

Three things are worth checking on your own paperwork.

Start with the definitieve aanslag for any year your Dutch income was low: does it name a restant persoonsgebonden aftrek? Then look at the years after it and see whether that amount ever came off anything. Finally, check whether a year in between was ever assessed at all. That is where the trail usually stops.

We do this as a check, not as a promise. Looking back at earlier years is research: we find out what is there and what can still be done with it. What comes out of it depends on your own situation. If you would rather hand the whole return over, that is our Dutch tax return service. Hakim's €4,300 follows the same trail, from his arrival year into his first full year.