Every year, taxpayers in France must declare their income during the April to June tax season. The French system works on a one-year delay, meaning:
In 2026, you declare income earned between January and December 2025.
If you are a student, employee, or international resident, knowing these deadlines is crucial to avoid penalties and late fees.
When Does the 2026 Tax Declaration Start?
France Tax Declaration Deadlines 2026
Deadlines vary depending on your department (postal code) and whether you file online or on paper.
Paper Declaration Deadline
Online Declaration Deadlines (Based on Postal Code)
Department Code Deadline
01 to 19 21 May 2026
20 to 54 28 May 2026
55 to 976 4 June 2026
These deadlines apply to both residents and non-residents
How to Know Your Deadline?
Your deadline depends on the first two digits of your French postal code.
Example:
Online vs Paper Tax Declaration in France
Online Declaration (Recommended)
Paper Declaration
Why These Deadlines Matter
Missing your tax declaration deadline can result in:
Tips for Students & Expats in France
The 2026 income tax declaration deadlines in France are important for anyone earning income in 2025. Whether you are a student, intern, or working professional, submitting your declaration on time helps you stay compliant and avoid unnecessary penalties.
Eduxskills will continue to simplify tax, visa, and student life in France for you.
Source: Impots.gouv.fr
Related Articles :
How to File Your First Income Tax Declaration in France?
List of Income Tax Declaration Forms and Annexures in France
Income Tax in France 2026: Tax Brackets, Rates & Calculation Guide (For 2025 Income)
Tax Deductions in France for Financial Support to Parents (Pension Alimentaire)
