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Taxes

2025 Income Tax Return: Everything You Need to Know

Publié le 23 avril 2025 - Mise à jour le 14 mai 2025 - Directorate for Legal and Administrative Information (Prime Minister)

The deadline to file your 2024 income tax return on paper is approaching on May 20. For online filing, the date varies depending on your state of residence, between May 22 and June 5. Are you preparing to file your return? This file includes all the questions you are asking yourself: reminder of the filing dates, declaration of expenses related to children, deduction of professional expenses and maintenance payments, payroll tax, declaration of social assistance, etc.

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Fill out and correct your tax return

How do you file your income tax return, get help if you have problems, correct an error, or get an estimate of what you'll have to pay? Service-Public.fr informs you.

2024 Income Tax Return: all dates!

How do I get help if I have trouble completing my tax return?

Income tax - How do I correct your return?

2025 Income Tax: Get an estimate of how much you'll have to pay

Income tax: 2025 tax brackets and rates

Withholding tax: the default distribution changes for married or former couples

Real estate reporting: when do you have to provide information in 2025?

Declaration of expenses relating to children

Child support, school fees, single parent allowance, the income of an adult child... Some expenses related to your children entitle you to a tax reduction or deduction. Service-Public.fr informs you.

Taxes 2025: the limits for the deduction of maintenance payments

Lone parent: Don't forget to check box T on the tax return

Do I have to declare my adult child's income?

Income Tax - Children's Tuition Fees (Tax Cut)

Other costs to be reported

If you use your vehicle for your business trips, you can opt for the deductible actual expenses regime. What are the amounts related to your paid employment that you have to declare? Service-Public.fr tells you what you need to know.

Business costs: 2025 mileage scales remain the same as last year

2025 Tax Return Fuel Fee Schedule

Income tax - Taxable wages and other income from employment

Income tax - Should social and employer-provided benefits be reported?

Practical questions

Do you know the difference between a reduction and a tax credit? Are you eligible for a refund or will you be required to pay income tax? Service.Public.fr informs you about the different situations.

Deduction, tax reduction, tax credit: what differences?

When do you have to pay additional income tax?