When do you have to pay your taxes?

Verified 01 January 2026 - Public Service / Directorate of Legal and Administrative Information (Prime Minister)

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Income tax

Withholding at source

Income tax is levied directly at source.

You declare your 2025 income to the tax authorities spring 2026.

From 1er September 2026, you will be levied according to rate calculated on your 2025 income.

Monthly or quarterly direct debits

For certain incomes (alimony, income of self-employed, property income, etc.), you must pay your tax by debiting from your bank account.

You can opt for a monthly or quarterly direct debit.

Monthly direct debits

The deadlines for the year 2026 are as follows:

Tableau - Dates of monthly income tax deductions

Deadline

Payment or operation to be carried out

January 15, 2026

1er monthly levy

February 16, 2026

2e monthly levy

March 16, 2026

3e monthly levy

April 15, 2026

4e monthly levy

May 15, 2026

5e monthly levy

June 15, 2026

6e monthly levy

July 15, 2026

7e monthly levy

August 17, 2026

8e monthly levy

September 15, 2026

9e monthly levy

October 15, 2026

10e monthly levy

November 16, 2026

11e monthly levy

December 15, 2026

12e monthly levy

Quarterly direct debits

The deadlines for the year 2026 are as follows:

Tableau - Dates of quarterly income tax levies

Deadline

Payment or operation to be carried out

February 16, 2026

1er quarterly levy

May 15, 2026

2e quarterly levy

August 17, 2026

3e quarterly levy

November 16, 2026

4e quarterly levy

In the absence of direct debits

If your income tax is not automatically collected and you do not make a payment online, you must meet the following payment deadlines:

Tableau - Deadlines for income tax

Deadline

Taxpayers concerned

September 15, 2026

Taxpayers who do not use a paperless means of payment

September 20, 2026

Taxpayers who use a dematerialized means of payment (online payment by internet, smartphone or tablet, direct debit at maturity or monthly)

Additional tax payable

Tax services determine the amount of your income tax from your annual return.

For example, the return made in 2026 can determine the amount of tax due on your income for the year 2025.

If the amount outstanding is less than or equal to €300, it shall be debited in a single installment on September 25, 2026.

If the amount remaining to be paid is greater than €300, it is taken in 4 installments.

For 2026, these deadlines are as follows:

Tableau - Deductions of the additional tax payable

Deadline

Payment or operation to be carried out

September 25, 2026

1er direct debit

October 26, 2026

2e direct debit

November 25, 2026

3e direct debit

December 28, 2026

4e direct debit

Property tax and housing tax on second homes

You are monthly

If you are monthly, the deadlines for the year 2026 are as follows:

Tableau - Main tax deadlines

Deadline

Payment or operation to be carried out

January 15, 2026

1er monthly levy

February 16, 2026

2e monthly levy

March 16, 2026

3e monthly levy

April 15, 2026

4e monthly levy

May 15, 2026

5e monthly levy

June 15, 2026

6e monthly levy

July 15, 2026

7e monthly levy

August 17, 2026

8e monthly levy

September 15, 2026

9e monthly levy

October 15, 2026

10e monthly levy

November 16, 2026

Levy if your tax increases in 2026

December 15, 2026

Levy if your tax increases in 2026

You are not monthly

If you are not monthly, you must respect the payment deadlines.

For the property tax, the deadlines are:

Tableau - Deadlines for property tax

Deadline

Taxpayers concerned

October 15, 2026

Taxpayers who do not use a paperless means of payment

October 20, 2026

Taxpayers who use a dematerialized means of payment (online payment by internet, smartphone or tablet, direct debit at maturity or monthly)

For the housing tax on second homes, the deadlines are:

Tableau - Deadlines for Housing Tax on Second Homes

Deadline

Taxpayers concerned

December 15, 2026

Taxpayers who do not use a paperless means of payment

December 20, 2026

Taxpayers who use a dematerialized means of payment (online payment by internet, smartphone or tablet, direct debit at maturity or monthly)

Vacant Housing Tax and Vacant Housing Tax

You must respect the payment deadlines.

Tableau - Deadlines for property tax

Deadline

Taxpayers concerned

December 15, 2026

Taxpayers who do not use a paperless means of payment

December 20, 2026

Taxpayers who use a dematerialized means of payment (online payment by internet, smartphone or tablet, direct debit at maturity or monthly)

IFI (Real Estate Wealth Tax)

The payment deadlines for the year 2026 are as follows:

Tableau - Payment deadlines for the IFI

Deadline

Taxpayers concerned

September 15, 2026

Taxpayers who do not use a paperless means of payment

September 20, 2026

Taxpayers who use a dematerialized means of payment (online payment by internet, smartphone or tablet, direct debit at maturity or monthly)

November 16, 2026

Taxpayers who do not use a paperless payment method and who received their notice in October

November 21, 2026

Taxpayers who use a dematerialized means of payment (online payment by internet, smartphone or tablet, direct debit at maturity or monthly) and who received their notice during the month of October

For more information on your deadlines and the details of the direct debits, see the tax administration calendar.

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