Credits, reductions and deductions

A variety of mechanisms exist that can reduce the amount of tax you have to pay compared to the bare application of the tax bands and rates. 

These include tax credits or reductions, which are amounts that the tax office takes off your final tax bill. There is more on these and how to claim them in the Step-by-Step chapter. You have to declare the expenses that give rise to the credit or reduction on the forms. The tax office then uses this information to work out the actual credit or reduction to apply.

There is an overall ceiling on the benefit a declarant can obtain in a tax year from various niches fiscales (tax breaks), including tax credits and reductions deriving from having paid for certain services or made certain investments.

Another way your bill may be reduced is by mechanisms that can lower your taxable income, such as exemptions for certain kinds of income. One example is savings in Livret A or other tax-free savings plans for which interest does not need to be declared. There are also charges à déduire – deductible expenses – which are declarable in special boxes so the tax office can take them into account to make a deduction from your taxable income.

An example of the latter is a pension alimentaire. This can refer to payments you have to make because of a legal ruling, for example, to an ex-spouse, but also includes payments you make to your parents (or parents-in-law) or children due to France’s legal obligation to support them financially. This is in proportion to your means and only if the person needs it because they are in financial difficulty and cannot pay for essentials. Examples include parents helping out young students or people helping their elderly parents who need to pay retirement home costs.

In the case of parents, if the other spouse is still alive, they are expected to support their spouse, and the children’s obligation often comes into play after one parent has died. With adult children you support, you can either ‘attach’ them to your household so you benefit from a higher number of family quotient parts, or deduct support payments that you gave them in 2025 from your taxable income by inserting the amount in the correct box.

Niches fiscales: exceptions to the overall ceiling

There is an overall €10,000 annual ceiling on ‘niches fiscales’ (tax breaks, perks or incentives), which include reductions and credits (amounts off your tax bill) as well as certain kinds of deduction (amounts claimable off taxable income).

This is €10,000 per tax household (or €18,000 if some of the investment is funds supporting businesses in the French overseas departments or in Sofica schemes to help the cinema industry).

However, some tax breaks are not included in the amount subject to the ceiling. 

Examples include the 25% tax credit for care home costs, the tax reduction for gifts to good causes and religious organisations, the reduction for educational expenses and credits linked to helping elderly or disabled people, eg. the credit for making home adaptations for them.

It also does not include ordinary deductible expenses such as certain French private pension contribution deductions, rental deficits and professional expenses.