Dutch Tax Glossary (2026): Practical Definitions With Official References
Reference glossary for Dutch tax terms used by expats. Each key term is mapped to practical meaning and an official source path.
This glossary focuses on the Dutch tax terms that appear most often in expat payroll documents, Belastingdienst letters, and annual return workflows.
Core System Terms
- Aangifte inkomstenbelasting
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Your personal income-tax return process. Use Belastingdienst's filing-obligation page to confirm whether you must file.
Official reference - Belastingdienst
- The Dutch Tax and Customs Administration responsible for tax collection, assessments, and taxpayer guidance.
- Box 1 / Box 2 / Box 3
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The three Dutch income-tax categories: work/home (Box 1), substantial shareholding (Box 2), and savings/investments framework (Box 3).
Box 1 | Box 2 | Box 3 - BSN (Burgerservicenummer)
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Your Dutch citizen service number used across government systems (tax, healthcare, administration).
Official reference - DigiD
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Personal government login credential used to access portals including tax workflows.
Official reference - Fiscaal partner
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Tax-partner status under Dutch rules. This status affects allocation options for certain taxable items and deductions.
Official reference - Heffingskortingen
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Tax credits that reduce tax due under conditions set by Dutch tax law (for example general and labor-related credits).
Official reference
Payroll and Annual Filing Terms
- Jaaropgaaf
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Annual payroll summary issued by your employer. It consolidates key tax/payroll values used for return preparation.
Official reference - Loonheffing
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Combined payroll withholding concept used in salary administration. It influences monthly net pay shown on payslips.
Official reference - Vakantiegeld (vakantiebijslag)
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Holiday allowance component in Dutch employment pay structures. Rijksoverheid states legal minimum frameworks including the 8% rule.
Official reference - Voorlopige aanslag
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Provisional tax assessment mechanism used to prepay or pre-receive tax amounts based on expected annual position.
Official reference - Werkkostenregeling (WKR)
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Employer framework for reimbursements and benefits with specific payroll-tax treatment rules.
Official reference - Bijtelling (auto van de zaak)
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Taxable addition for private use of a company car, based on official percentage frameworks by vehicle type and year.
Official reference - Reiskostenvergoeding
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Travel reimbursement concept with tax-free and taxable treatment depending on structure and conditions.
Official reference
Housing and Allowance Terms
- Eigenwoningforfait
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Home-ownership tax concept used in Dutch return calculations for qualifying owner-occupied housing.
Official reference - Hypotheekrenteaftrek
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Mortgage-interest deduction mechanism under Dutch rules for qualifying situations.
Official reference - Huurtoeslag
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Rent-benefit program with eligibility conditions managed through Dutch allowance systems.
Official reference - Zorgtoeslag
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Health-insurance allowance with income and personal-situation eligibility checks.
Official reference
Expat and Cross-Border Terms
- 30%-regeling (expatregeling)
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Dutch expat tax benefit regime with legal eligibility conditions, salary norms, and application requirements.
Official reference - M-aangifte (migration-year return)
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Filing route used when you were only part-year resident in the Netherlands during a tax year.
Official reference - Belastingverdragen (tax treaties)
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Treaty framework between countries used to coordinate taxing rights and reduce double-taxation risk in cross-border situations.
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