What is the deadline for filing your tax return?

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

Income tax: 2026 income tax return for 2025

This page is up to date at 1er January 2026.

However, forms, online services and information materials are not yet available for the 2026 tax year of the 2025 tax return. They will be put online as soon as they are available.

In addition, the draft budget law for 2026 could not be promulgated before 1er January 2026.

The law n°2025-1316 of 26 december 2025 The Special Authorizes the Government to Collect Taxes, Without Modifying the Scales, Until the Adoption of a Budget Law for 2026.

If the Finance Law for 2026 changes the rules presented on this page, the content will be updated after the publication of the Finance Law in the Official Journal.

The declaration of income by internet is mandatory if your main residence has internet access and you are able to file your declaration online.

The 2025 return of 2024 income is complete.

The 2026 2025 income tax return will begin in April 2026.

The 2025 return of 2024 income is complete.

The 2026 2025 income tax return will begin in April 2026.

If you missed the deadline, you can still complete your tax return.

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The online declaration remains available

You can file your tax return from your personal online space:

2025 online 2024 income tax return (Individual section)

The online declaration is no longer available

You can file your tax return using a paper form:

2025 Income Tax Return 2024 (paper)

FYI  

If you report your income late, the tax authority applies penalties to you.

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