2026–2027 · deadlines that cost money
The Geneva family calendar
Most expensive mistakes in Geneva are not about money. They are about dates. Here is every deadline we track for the families we look after, with the official source for each.
Updated 28.09.2026
Through the year
| When | What | If missed | Source |
|---|---|---|---|
| 31 October | Health insurers publish next year's premiums. | Compare before deciding to switch. | priminfo.admin.ch |
| 30 November 2026 | Your cancellation must reach your basic health insurer to switch, or to lower your deductible. Post it by 15 November. | Another year on the old premium. | priminfo.admin.ch |
| 31 December | Last day to raise your health insurance deductible for next year. | The change waits a year. | priminfo.admin.ch |
| 31 January 2027 | The 2026 motorway vignette expires. CHF 40, now mostly as an e-vignette tied to the number plate. | CHF 200 fine plus the vignette. | ch.ch |
| 22–27 February 2027 | Enrolment in Geneva public primary schools for the 2027–2028 year. A child must be 4 by 31 July to start 1P. | A late place, possibly not at your local school. | ge.ch |
| 31 March 2027 | Geneva tax return for 2026. Extensions cost CHF 20 (3 months), 40 (5 months) or 60 (longer). | A reminder with a fee, then an estimated assessment. | ge.ch |
| 31 March 2027 | Deadline to request a correction or ordinary assessment of 2026 tax at source. | The tax withheld becomes final. | ge.ch |
Guides
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When you arrive
| When | What | If missed | Source |
|---|---|---|---|
| Within 14 days | Register your arrival with the cantonal population office (OCPM). | Your permit and everything that depends on it is delayed. | ge.ch |
| Within 3 months | Take out basic health insurance (LAMal) for every family member. | The canton assigns an insurer; cover starts late and earlier costs are yours. | ge.ch |
| Within 10 days | Register a dog in the AMICUS database. | A fine from the canton. | ge.ch |
| Within 12 months | Exchange a foreign driving licence (CHF 150). | You may no longer drive; exams may be required. | ge.ch |
When it happens
| When | What | If missed | Source |
|---|---|---|---|
| 30 days | Pay an on-the-spot traffic fine (amende d'ordre, up to CHF 600). | A penal order follows, with fees. | ge.ch |
| 10 days | Object in writing to a penal order (ordonnance pénale). Payment is due within 30 days. | It becomes a final judgment. | ge.ch |
| 15 days before expiry | Renew a B or C permit with Form K if no reminder has arrived. | Problems at the border and with your employer. | ge.ch |
| From the first franc | Declare household staff for social insurance. Geneva minimum wage in 2026 is CHF 24.59 an hour. | Back payments and fines for undeclared work. | ocas.ch |
We track all of these for our members and act weeks ahead. If you would rather not think about them at all, that is exactly what we are for.
General information, checked against official sources on 28 September 2026. Not legal or tax advice. Dates can move when they fall on a weekend.