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FAQ
Belgium

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We will be happy to help you with your request. Schedule a consultation and one of our tax specialists will get in touch with you. Read how the consultation works or fill in the order form directly. If you received a tax assessment letter from the tax authority, you may send it to us for a review of the calculation and fill a correction if needed.

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Belgium

The deadline for filing a tax return differs depending on whether the tax return is filed by a resident or non‑resident of Belgium. Tax return deadlines for the year 2025:

Resident:

  • 30th of June, 2026 - in paper form,
  • 15th of July, 2026 - electronically,
  • 16th of October, 2026 - electronically within the extended period - in the case of specific income (from business, abroad, executive remuneration, etc.).

Non‑resident:

  • 20nd of November, 2026 - in paper form and electronically.

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Belgium

You need the following documents to file your tax return:

  • a certificate of taxable income (Fiche 281.10) from each employer,
  • additional Fiche forms if you have other sources of income other than employment (pension, unemployment benefits, author's fee, etc.),
  • confirmation of worldwide income documenting income from all countries for the given year (e.g. a submitted tax return in the home country),
  • ID / passport,
  • other documents proving entitlement to tax credits (child's birth certificate, marriage certificate, partner's incomes...).

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Belgium

Fiche 281.10 form is a form that every employer must give to its employees. It is a certificate of the employee's annual income and the taxes withheld from each month's wages for the previous calendar year.

There are also other Fiche forms depending on the type of income:

  • Fiche 281.11: Used for income from social benefits such as pensions or unemployment benefits.
  • Fiche 281.20: Used for the self‑employed and freelancers.
  • Fiche 281.25: Used for author's fee and artistic income.
And other.

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Belgium

The forms differ not only in colour but also in content.

The form for residents (Déclaration à l'impôt des personnes physiques - IPP, or Aangifte in de personenbelasting) is red. The tax office sends it out by the end of May.

The form for non‑residents (Déclaration à l'impôt des non‑résidents, or Aangifte in de belasting niet‑inwoners) is green and is usually sent out during September and October.

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Belgium

You either received a red form or a green form:

The red one is for filing tax returns for Belgian residents.
The green one is for non‑residents of Belgium.

We will be happy to help you fill in your tax return. Just fill in the order form.

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Belgium

The tax office will process the tax return and then pay the overpayment. The whole process takes on average 2 ‑ 13 months from the time the tax return is filed.

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Belgium

After filing your tax return, the tax office will send you a tax notice stating the amount of tax to be paid and the due date. This is usually within two months of receipt of the tax notice (Aanslagbiljet).

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Belgium

Every Belgian resident and non‑resident who earned income in Belgium is required to file a Belgian tax return for the previous calendar year, known as the tax year. It does not apply to seasonal workers (can be determined by the Fiche form), for whom withholding tax is applied and a tax return does not have to be filed.

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Belgium

Yes, spouses can file a joint tax return and get a possible higher refund. This is usually paid if the spouse has a lower income than the partner for whom the tax return is filed.

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Belgium

Yes, of course. Our services include not only the preparation of tax returns, but also individual tax consultations.

For example, we can help you with:

  • Answer specific questions about your tax obligations in Belgium.
  • Advise you on how to optimise your tax burden.
  • Explain the rules of the Belgian tax system, including the obligations of individuals, freelancers or cross‑border workers.
  • Analyse the possibilities of tax credits and deductions (e.g. for children, mortgage loans, etc.).
  • Assist in communication with the Belgian tax authorities (SPF Finances / FOD Financiën).
  • The consultation is completely tailored to your requirements, just fill in the order form.

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Belgium

PD U1 form (Confirmation of periods to be taken into account for unemployment benefits) is a confirmation of employment abroad during which your employer paid unemployment insurance contributions on your behalf.

The form is issued by the foreign employment office after the employment termination and is submitted to the employment office in your home country or the country where you are claiming unemployment benefits.

You will need to present this document when you return from abroad to your home country or another EU country to claim unemployment benefits.

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Belgium

You can claim your refund from Belgium up to 3 years back. If you submit your tax return for the given year after the deadline, a penalty may be charged in the form of a tax increase starting from 10%.

In 2026, you can file a tax return / claim a refund for the tax year 2023 at the latest.

Deadlines for the tax refund from the Belgium for the previous years:

  • tax return for the year 2023 - 20thd of November, 2026,
  • tax return for the year 2024 - 25th of November, 2027,
  • tax return for the year 2025 - 20th of November, 2028.

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Belgium

You can be fined between €50 and €1,250 for not filing or filing your tax return late.

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Belgium

We are able to help you obtain these documents from Belgium:

  • Fiche: certificate of taxable incomes,
  • U1: it proves the entitlement to unemployment benefits after your return from abroad,
  • S1: it entitles the taxpayer to use the full health care in the home country while working in different country in the EU.

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Belgium

The Fiche 281.10 is a form that every employer must give to their employees at the end of the year. It is a certificate of the employee's annual income and the taxes withheld from each month's wages for the previous calendar year.

To obtain a Fiche 281.10 form, contact your employer and ask them to issue the form. If you had more than one employer, you will need a Fiche 281.10 form from each of them.

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Belgium

To obtain a U1 form, you will need the following documents:

  • Power of Attorney (obtained from us),
  • payslips or an annual income certificate Fiche,
  • all employment contracts for the given period,
  • other documents.

It always depends on your situation. We will be happy to obtain the U1 form for you. Read how the service works or fill in the order form straight away.

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Belgium