2026 French tax package deadline
Key filing dates for French tax packages in 2026 depending on your closing date and tax regime.
Expert note: This article was written by our chartered accountancy firm. Information is current as of 2026. For a personalised review of your situation, contact us.
2026 French tax package deadline
Updated March 2026 - The French tax package deadline depends on your financial year-end and on the filing channel used.
Main date to remember
For businesses closing on 31 December 2025, the practical e-filing deadline is usually 20 May 2026 after the additional teleprocedure period.
Why the date alone is not enough
You also need to secure:
- ▸supporting schedules;
- ▸tax adjustments;
- ▸VAT consistency;
- ▸proof of e-filing.
Read our related guides on 2026 tax deadlines, outsourced filing and VAT for SMEs.
👉 Discover our year-end and tax support
Conclusion
The safest approach is to work backward from the legal deadline and keep internal cut-off dates.
📞 Need to confirm your exact deadline? Book an appointment with an expert
Article written by Samuel HAYOT
Chartered Accountant, registered with the Institute of Chartered Accountants.
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