Where does your salary belong?
Check the cross-border tax and social-security context for a France-resident worker in Basel-Stadt or Basel-Landschaft.
Start with the corridor
Answer the few facts that can change the France-Switzerland treatment. Unknown is a valid answer.
Work from France
Tax and social-security telework limits are different. We show both rather than collapsing them.
Other work circumstances
These do not produce a tax answer by themselves, but they can make the standard route inapplicable.
This checker runs in your browser. Your work pattern is not saved or sent to Frontiers.
Next steps for your file
The checker explains the route. These actions help you confirm it with the right authority.
- 1
Ask your employer which frontier-worker certificate or declaration they expect.
- 2
Confirm the applicable arrangement with your employer or payroll contact.
- 3
Keep a simple record of overnight stays and days worked from France.
- 4
Use the official French and Swiss forms and instructions for your filing year.
Rules and official sources
Secondary calculators inspired the flow. These authorities support the rule context.
The 1983 agreement, tax telework rules, and social-security telework framework are separate rule sets. A “likely” result is a structured starting point for confirmation, not a legal conclusion.