French Income Tax Return Guide for Expats 2026 (Déclaration de revenus)

France's income tax system underwent a major reform in 2019 with the introduction of prélèvement à la source — withholding at source — which means most employed taxpayers now pay income tax monthly via their employer or pension provider, rather than paying the prior year's tax annually. Despite this, the annual déclaration de revenus (income tax return) remains mandatory for most taxpayers, as it allows France to recalculate actual liability and settle any difference from the monthly withholding payments.

For expats moving to or from France, the residency determination, the treatment of foreign income, and the interaction between French and foreign tax systems create particular complexity. This guide covers French tax residency rules, the declaration process, key deductions, and how France handles foreign income and assets.

French Tax Residency

Under Article 4B of the Code Général des Impôts (CGI), you are a French tax resident if:

• Your foyer (main family home) is in France, OR
• Your lieu de séjour principal (principal place of stay) is in France — present in France for the majority of the year, OR
• You carry out your principal professional activity in France, OR
• The centre of your economic interests is in France (your investments, business HQ, main bank accounts)

Any one of these criteria is sufficient — France uses the 'or' test, not an 'and' test. This means someone whose spouse and children live in France may be considered French resident even if they work predominantly abroad. France has tax treaties with most major economies that include tie-breaker rules to determine residency when both countries claim the same individual.

Part-Year Residency

In the year of arrival or departure, French residency applies from the date established (or until departure date). Income earned during non-resident periods is not taxable in France (though French-source income always is). The declaration covers the full calendar year but distinguishes resident and non-resident periods.

Non-Residents

Non-residents with French-source income (French rental income, French employment income, French dividends) must file a return at the Non-Residents Tax Centre (Centre des impôts des non-résidents). A flat withholding rate of 20% (or 30% above a threshold) applies to French-source income for non-residents, with the option to file and apply actual progressive rates if lower.

The Declaration Process and Prélèvement à la Source

Pre-Filled Return (Déclaration Pré-Remplie)

France pre-fills the income tax return from employer data, pension provider data, and prior-year information. For employees, the return is largely pre-completed — you verify the figures, add any missing income (foreign income, rental income, capital gains) and correct errors. Access via impots.gouv.fr using your numéro fiscal (tax identification number) and mot de passe (password).

How Prélèvement à la Source Works

• Monthly tax payments are withheld directly from salary, pension, or deducted from self-employment quarterly payments
• The withholding rate is calculated by the tax authority based on your prior year's return and communicated to your employer
• When you file the annual return (May/June), France recalculates actual liability: if more was withheld than owed, a refund is issued; if less, a balance is payable (typically in September)
• New arrivals to France start with a default withholding rate until their first French return establishes a personalised rate

Key Sections of the Return

• Salaires (Box 1AJ): Employment income from French employers
• Revenus fonciers (Form 2044): French and foreign rental income
• Revenus de capitaux mobiliers (Form 2042): Dividends and interest
• Plus-values (Form 2074): Capital gains
• Revenus étrangers (Form 2047): Foreign income and treaty credits

Foreign Income on a French Return

French residents must declare worldwide income. Use Form 2047 (Revenus de source étrangère et revenus encaissés à l'étranger) for all foreign income:

Foreign Employment Income

Declare under the relevant section of Form 2047. If the foreign employer has already withheld tax: France typically credits the tax paid under the applicable treaty, using either the exemption method (exempt but affect rate under quotient calculation) or credit method. The standard credit (crédit d'impôt égal à l'impôt français) gives a credit equal to the French tax on the income.

Foreign Rental Income

Declared on Form 2047 and feeds into the micro-foncier (flat 30% deduction) or régime réel (actual expenses) calculation. Foreign property tax may be deductible as a charge. Foreign rental losses generally cannot offset French rental profits in the same year.

Beckham Law Equivalent

Unlike Spain and the UK, France does not have a formal non-dom or Beckham-style flat tax regime for executives. However, certain detached workers (impatriés) benefit from the impatriate regime: specific bonuses and expenses related to an international assignment are excluded from French income tax for up to 8 years. Qualifying: recruited from abroad to work in France; must not have been French resident in the 5 years before arrival. This is the closest France has to an expat tax preference regime.