Your first cross-border administrative steps
A clear health insurance deadline and a practical checklist.
Travel & paperwork
Cross-border telework: separate thresholds
Two days at home do not mean the same thing for tax and social security. Check your annual pattern, then review the paperwork with your employer.
Editable example · calculation assumptions, not an offer
Alperea Assurances
Your calculation
Guidance for private-sector employees covered by EU/EFTA–Switzerland coordination, living in France and working only for Swiss employers. Excludes temporary assignments, public-sector employers, self-employment and other regular work in France or a third country. Use equivalent days of equal length, including for part-time hours. Answering yes describes the basic circumstances, not whether an A1 has been issued. Tax treatment and coverage are not guaranteed; the competent institution confirms the system and A1 procedure.
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Understanding this result
Understand tax and social security without mixing up their thresholds.
The percentage is equivalent days teleworked in France divided by total annual working time. For part-time work or days of unequal length, convert hours into days of the same length in both fields. Tax and social security thresholds are assessed separately.
Does staying below a threshold guarantee my status?
No. Your canton, tax status, other activities and A1 paperwork still matter. The social security framework covers telework from 25% to less than 50%, subject to conditions; the 40% tax tolerance is a separate rule. Confirm your position with your employer and the competent authorities.
Sources and method
Method checked on Oct 21, 2026
