Dutch Tax Glossary: 60 Words From Your Tax Letters, Explained

Plain-English meanings of the Dutch words on your tax return, assessments and benefit letters: aanslag, aangifte, heffingskorting, toeslagen, verzamelinkomen and more.

← Tax GuideStart here8 min readUpdated 30 Sept 2026
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Filing and assessments

Aangifte
Tax return. "Aangifte doen" means filing it.
Aanslag
Assessment: the Belastingdienst's decision on how much tax you owe or get back.
Voorlopige aanslag
Provisional assessment, an early estimate usually paid or refunded monthly.
Definitieve aanslag
Final assessment, after your return has been checked.
Navorderingsaanslag
Additional assessment when too little tax was charged earlier.
Bezwaar
Objection. Must be filed within six weeks of the date on the assessment.
Beroep
Appeal to the court, after an objection has been decided.
Ambtshalve vermindering
A request to reduce an assessment after the objection period, possible up to five years back.
Uitstel
Extension of the filing deadline, or (uitstel van betaling) postponement of payment.
Betalingsregeling
Payment arrangement to pay in instalments.
Belastingrente
Interest charged or paid on tax that was settled late.
Vooraf ingevulde aangifte (VIA)
The pre-filled return with data the Belastingdienst already has.
M-formulier / P-formulier
Migration return for the year you arrive or leave / the standard return for residents.
Machtiging
Authorisation that lets someone else (partner, adviser) file for you.
DigiD
Your government login, needed for Mijn Belastingdienst.
BSN
Citizen service number, your personal tax number.

Income and tax credits

Box 1 / Box 2 / Box 3
Income from work and home / from a substantial shareholding (5%+) / from savings and investments.
Belastbaar inkomen
Taxable income, after deductions.
Verzamelinkomen
Total of your taxable income in all three boxes; used for tax credits and benefits.
Toetsingsinkomen
Income figure used to test eligibility for benefits (toeslagen).
Loonheffing
Payroll tax: wage tax plus national insurance premiums withheld by your employer.
Loonheffingskorting
Tax credits applied through payroll. Only one employer or benefit provider should apply it.
Heffingskorting
Tax credit that reduces the tax you pay.
Algemene heffingskorting
General tax credit, for everyone, reduced as income rises.
Arbeidskorting
Labour tax credit, for income from work.
Inkomensafhankelijke combinatiekorting
Credit for working parents with young children.
Ouderenkorting
Elderly tax credit, from state pension age.
Vakantiegeld
Holiday allowance, usually 8% of salary, paid once a year.
Bijzonder tarief
Special flat payroll tax rate used for bonuses and holiday pay.
Bijtelling
Private-use addition for a company car, added to taxable income.
30%-regeling / expatregeling
The 30% ruling: tax-free allowance for qualifying employees hired from abroad.
Zelfstandigenaftrek
Self-employed deduction for entrepreneurs meeting the hours criterion.
MKB-winstvrijstelling
Profit exemption for small businesses.
Urencriterium
Hours criterion: at least 1,225 hours a year on your business for most self-employed deductions.

Home and wealth

Eigen woning
Your own main home, taxed in Box 1.
WOZ-waarde
Official property value set by your municipality each year.
Eigenwoningforfait
Notional income for owning your home, a percentage of the WOZ value.
Hypotheekrenteaftrek
Mortgage interest deduction.
Wet Hillen
Rule that reduces the tax on the eigenwoningforfait when you have little or no mortgage, being phased out.
Overdrachtsbelasting
Property transfer tax paid when you buy a home.
Startersvrijstelling
Transfer tax exemption for first-time buyers aged 18 to 34.
Heffingsvrij vermogen
Tax-free allowance in Box 3.
Forfaitair rendement
Notional return that Box 3 assumes you made.
Werkelijk rendement
Actual return you really made.
Peildatum
Reference date; for Box 3 this is 1 January.
Fiscaal partner
Tax partner, who can share deductions and Box 3 with you.

Benefits and other taxes

Toeslagen
Income-tested benefits from Dienst Toeslagen.
Zorgtoeslag
Healthcare allowance.
Huurtoeslag
Rent allowance.
Kinderopvangtoeslag
Childcare allowance.
Kindgebonden budget
Child-related budget, an income-tested payment per child.
Kinderbijslag
Child benefit paid by the SVB, not income-tested.
Beschikking
A formal decision letter, for example on your benefits.
Terugvordering
Reclaim of benefits you received but weren't entitled to.
Schenkbelasting
Gift tax, paid by the recipient.
Erfbelasting
Inheritance tax, paid by the heir.
Motorrijtuigenbelasting (MRB)
Road tax for owning a vehicle.
BPM
Registration tax on a car when it is first registered in the Netherlands.
OZB
Municipal property tax.
Btw
VAT, charged by businesses.
KOR
Small business scheme that exempts businesses with up to €20,000 turnover from VAT.

Sources

This article is based on these official pages. If anything here differs from them, the official page is right.

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