France's tax authorities have introduced enhanced reporting obligations that take effect in 2025, placing new compliance burdens on foreign entities operating in the country. Missing the compliance window carries immediate financial penalties under French tax legislation – and, in some cases, triggers a presumption of undeclared permanent establishment.
The new requirements oblige foreign legal entities with a taxable presence or income source in France to file expanded disclosures on corporate income tax, withholding tax positions, and cross-border intra-group arrangements. Entities meeting the applicable revenue or activity thresholds must submit compliant filings by the deadline set by French tax legislation for the relevant fiscal year. Failure to comply exposes the entity to penalty assessments, reputational risk, and heightened audit exposure.
This alert sets out what changed, which entities are affected, the compliance deadline, and the immediate steps international companies should take.
What changed and when it applies
French tax legislation now requires foreign entities. including those operating through a branch, a Société par Actions Simplifiée (SAS) or a Société à Responsabilité Limitée (SARL). to submit a more detailed annual declaration covering their French-source income. Intercompany pricing arrangements. Additionally, any positions taken under an applicable tax treaty.
The expanded obligations apply to fiscal years opening on or after 1 January 2025. For entities whose fiscal year aligns with the calendar year, the first affected filing covers the period running from 1 January 2025 to 31 December 2025. The submission deadline follows the standard corporate income tax filing calendar under French tax legislation, which typically falls in the spring of the year following the fiscal year end.
The Cour de cassation (France's highest civil and commercial court) has consistently held that the absence of a formal filing does not suspend the accrual of penalties. French enforcement mechanisms – including the use of a huissier de justice (court-appointed enforcement officer) to serve penalty notices – can move swiftly once a deadline passes.
Two significant changes deserve particular attention. First, the threshold for mandatory transfer pricing documentation has been lowered, capturing a broader range of mid-market foreign groups. Second, withholding tax positions on dividend, royalty, and interest payments to related parties must now be documented and disclosed within the annual filing, not simply applied at source.
Which entities are affected
The new obligations apply to foreign entities that meet one or more of the following threshold criteria under French tax legislation:
- The entity derives French-source income subject to corporate income tax or withholding tax, regardless of whether it has filed a French tax return previously.
- The entity operates through a branch, agency, or a structure that French tax authorities may characterise as a permanent establishment, even if no formal registration has been made in the Code de commerce (French commercial legislation).
- The entity is party to intra-group transactions with a French affiliate that exceed the revised transfer pricing documentation threshold for the relevant fiscal year.
- The entity claims a reduced withholding tax rate or full exemption under a bilateral tax treaty and has not previously submitted supporting documentation to the French tax authority.
- The entity holds real property assets in France, directly or indirectly, above the de minimis value threshold prescribed by current French tax legislation.
Entities registered under French corporate legislation. including those that transitioned from a foreign form to a French SAS or SARL in recent years. must verify whether their existing filing profile satisfies the new expanded requirements. A prior year clean filing is not a safe harbour for 2025 onward.
Tax residency analysis is equally relevant. An entity managed and controlled from abroad but with directors physically present in France for a significant portion of the year may face a challenge to its stated tax residency position. The Cour de cassation has upheld such reclassifications in the context of treaty disputes.
For a tailored review of your entity's exposure under the new French tax reporting rules, contact us at info@ferrazwhitmore.com.
Immediate actions for international companies
International companies with any French nexus should take the following steps without delay.
First, map every French-source income stream. This includes dividends, royalties, interest, service fees, and capital gains with a French situs. Each stream must be assessed against the applicable corporate income tax or withholding tax rules, and any treaty position must be documented with contemporaneous evidence.
Second, conduct a permanent establishment risk review. If your group has employees, agents. Alternatively. Infrastructure in France. even on a temporary or project basis. assess whether that presence constitutes a permanent establishment under French tax legislation or the relevant bilateral tax treaty. The consequences of an undisclosed permanent establishment are severe: back taxes, interest, and penalties can accumulate over multiple fiscal years.
Third, update transfer pricing documentation now. Do not wait until the filing deadline. Gathering intercompany agreement data, benchmarking studies, and group financial information takes time. Under the revised thresholds, groups that were previously outside the documentation requirement may now be captured.
Fourth, verify withholding tax compliance on payments already made in 2025. If withholding tax was applied at a reduced rate or not applied at all. Confirm that the supporting documentation. including tax residency certificates and beneficial ownership declarations. is on file and up to date. Our tax law practice in France provides structured reviews of exactly this type of exposure.
Fifth, review your French corporate structures. If your group operates through a French SAS, SARL. Alternatively, branch. Coordinate with your corporate advisers to ensure that the entity's registered information in the Code de commerce remains accurate and consistent with the tax filing position. Discrepancies between corporate registration data and tax declarations are a known audit trigger. Our corporate law service in France covers the structural compliance dimension of this review.
Companies that have recently restructured their European operations – for example, by consolidating holding structures or shifting IP ownership – should also assess whether those changes affect their French reporting obligations for 2025. Cross-border restructurings with a Portuguese dimension may carry parallel obligations, as we have noted in our alert on the 2025 tax reporting changes in Portugal.
About Ferraz & Whitmore
Ferraz & Whitmore is an international law firm based in Lisbon, advising business clients across 46 jurisdictions. As a law firm active in France and across Europe, our team combines Portuguese civil law expertise with English common law tradition to deliver cross-border tax and corporate legal solutions. Our tax law practice advises international entrepreneurs, institutional investors, and in-house legal teams on corporate income tax structuring, withholding tax compliance, transfer pricing documentation, and permanent establishment analysis in France and across 15 practice areas. The firm's Lisbon base provides direct access to EU regulatory regimes, while our common law expertise supports enforcement and dispute strategies in English-speaking jurisdictions. Engaging a lawyer in France with genuine cross-border experience is critical when obligations span multiple legal systems. To discuss your French tax reporting exposure, contact us at info@ferrazwhitmore.com.
Disclaimer: This publication is provided for informational purposes only and does not constitute legal advice. The information herein should not be relied upon as a substitute for professional legal counsel tailored to your specific circumstances. Ferraz & Whitmore assumes no liability for actions taken or not taken based on the contents of this material. For advice regarding your particular situation, please contact info@ferrazwhitmore.com.