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Fewer than 183 days in France = no French tax residency?

Think again.

In the May 2025 print edition of Trusts & Estates, our lawyers Michel Dayanithi and Margaux Niclout debunk one of the most enduring myths in cross-border tax planning.

The idea that you can safely avoid French tax residency by spending fewer than 183 days in France is not only incorrect, it’s dangerously misleading.

With the 2025 French Finance Bill now extending the statute of limitations to 10 years in cases of “false domiciliation,” misunderstanding residency rules isn’t just a technicality: it’s a risk with serious consequences.

Many thanks to Trusts & Estates for the opportunity to contribute to this issue.

➡️ Read the full piece here

Authors

Headshot of Michel Dayanithi, tax lawyer and founding partner at Syntaxe in Paris
Attorney at Law · Partner

Michel Dayanithi

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Michel founded Syntaxe in January 2024

Admission to the Bar

2017

Education

> London Business School
— Masters in Management

> Montpellier Law School
— Masters in Corporate Law and Tax Law
— Certificate of Specialization in Tax Law
— Certificate of Specialization in Economic Law
— Diploma in Criminology and Criminal Sciences
— Diploma in Wealth Management

Languages

English · French

Contact

mdayanithi@syntaxe.com

Headshot of Margaux Niclout, tax lawyer at Syntaxe in Paris
Attorney at Law

Margaux Niclout

Margaux joined Syntaxe in September 2024

Admission to the Bar

2024

Education

> Paris II Panthéon-Assas University
— Master’s Degree in Personal and Professional Wealth Management
— Master’s Degree in Business Law

Languages

English · French

Contact

mniclout@syntaxe.com

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