This English page mirrors the French reference page for international clients. It is written for decision-makers who need a clear first reading before a tailored French tax analysis.
Switzerland is not a simple case
Switzerland has its own cantonal tax logic and a specific treaty relationship with France. The French exit tax analysis must be separated from the Swiss tax analysis.
French domestic exit tax
The French rules apply first if the taxpayer transfers tax residence and holds assets within the statutory perimeter.
Private capital gains in Switzerland
The Swiss treatment of private capital gains can be attractive, but it does not erase French exit tax on gains accrued while the taxpayer was French resident.
Residence evidence
Cross-border factual evidence is critical: home, family, work location, travel pattern, banking and management of assets.
Before departure
The taxpayer should review valuation, payment deferral, expected sale timing and interaction with the Swiss arrival regime before moving.
Separate the French departure analysis from the Swiss arrival analysis
A move to Switzerland raises at least three distinct questions. France determines whether and when French tax residence ends under its domestic rules. The France-Switzerland treaty may resolve a dual-residence position by applying its successive tie-breaker criteria. Switzerland and the relevant canton determine the individual's status and local taxation. A Swiss residence permit or registration is relevant evidence, but it does not by itself displace a French home, activity or centre of economic interests.
The exit-tax review should be completed using the French rules in force on the transfer date. The destination is relevant to the payment-deferral route, but it does not change which holdings and deferred gains are tested under Article 167 bis. The conditions for automatic or optional deferral must be checked against the territorial, administrative-assistance and recovery rules then applicable, rather than inferred from Switzerland's geographical proximity to the European Union.
Evidence for a France-Switzerland move
- French and Swiss accommodation documents, including dates when each home was available;
- family location, schooling and day-to-day living arrangements;
- employment or management contracts and a record of where duties are actually performed;
- Swiss registration, insurance and tax communications;
- the location of banking, investments and principal business decisions;
- the valuation and acquisition records required for any French exit-tax return.
Do not treat Swiss tax labels as a French conclusion
Private capital gains, wealth taxation and expenditure-based taxation are Swiss concepts applied under federal and cantonal rules. Their availability and conditions do not determine the French exit-tax base and should not be advertised as eliminating French tax. A transaction may have no immediate Swiss capital-gains charge and still affect a French deferred exit-tax amount. Equally, a Swiss tax ruling does not decide French treaty residence unless the treaty criteria and the individual's facts support the same conclusion.
For the French side, consult the administration's BOFiP guidance on payment deferral and the official France-Switzerland treaty guidance. The treaty, cantonal regime and deferral conditions should be rechecked for the actual year of departure. This page does not determine eligibility for a Swiss lump-sum arrangement or confirm that a particular transfer qualifies for automatic deferral.
Canton and timing review
Swiss tax treatment can vary by canton and by the individual's activity, so the arrival advice should identify the canton, expected work and intended investment behaviour. A preliminary discussion or ruling should use facts consistent with the French departure file. If the founder will continue negotiating or directing a French business from both countries, travel and board practice should be planned realistically rather than drafted around a target result. Recheck the position after arrival because a change of canton, employment, family location or disposal timetable can affect the assumptions on which the cross-border analysis was built.