Your cross-border telework rate, in one minute.
The 40% cap in Switzerland, the 34-day threshold in Luxembourg. For cross-border workers and HR teams. Free, no account.
Result preview · example
Geneva, 100%
38.33%
rate to declare, 2026
92 of 96 days · 4 days left before the threshold
Employer attestation due by 31 January 2027 (Geneva)
The calculation stays in your browser. No data is sent.
Do you manage cross-border staff? Try company mode
2026 deadlines
Employer attestation for the 2026 year, by canton.
- Geneva
- Jura
- Vaud
Other cantons have no verified date published here: ask your cantonal administration.
How it works
Enter the days
One person in the calculator, or a table imported from Excel. Half-days are accepted.
Read the rate and the status
The rate to declare, days remaining, and a status. The official texts are linked under the result.
Export or share
CSV and XLSX with the attestation columns, or a message for the employer. Nothing is filed with an authority.
What the result contains
Every figure comes from the rules engine, applied to the texts checked on 27 September 2026.
- The rate to declare to two decimals, with the canton's rounding method.
- The imputed days, the quota and the days left before the threshold.
- The 45-day tolerance of the 1983 regime, when it applies.
- The attestation deadline for Geneva, Jura and Vaud.
- The official sources, with the date they were checked.
Common questions
Nothing leaves this page
Days, names, salaries and imported files stay in your browser: the calculation runs there, and none of it is sent.
We count usage anonymously (visits, calculations, imports, exports) in our own Google Sheets spreadsheet: numbers only, with no cookie and no third-party analytics.
The waitlist sends only your e-mail address, with the page it came from and the date.
Privacy noticeThe figures
About 58.4% of cross-border workers in Switzerland live in France: the FSO does not publish that share, it is derived (242,000 / 414,262). There is no official count of employers, so none is stated here.
Why it's free
The calculator and company mode are free for normal use, with no account. Anyone should be able to check their rate before the deadline.
Nothing you calculate or import leaves your browser, and we do not sell data. We keep only anonymous usage counts and the waitlist e-mail addresses.
frontaliers is made by Pharosyne (Petru Arakiss), who builds integrations and automations for HR and payroll teams.
Need something more advanced?
- Integration with your payroll software
- Several entities or several clients
- Custom reports
- API access
Reply by email, from petru@pharosyne.tech.
Not in this version
- Daily log
- One-click emails
- Email alerts
- Signable PDF
- Generation of the art. 5a OIS certificate
- bexio or Abacus connection
- Computed status for CH–DE, CH–IT, CH–AT
- Multi-company for accounting firms