Bounded

Switzerland — Tax Residency (30/90-Day Stay Rule)

The Bounded TeamTax residencyAugust 2026

Summary

Threshold
30 days (working) / 90 days (not working)
Window
Per stay — short trips out don't reset it
Also triggers
Domicile with intent to stay (day one)
Legal basis
Art. 3 DBG
Authority
ESTV / FTA

Switzerland has no 183-day rule — the line sits far lower. Staying 30 days while gainfully employed, or 90 days without working, establishes Swiss tax residency by stay — and the statute counts your stay disregarding temporary interruptions, so short trips abroad don't reset the clock. Establishing a home with intent to stay makes you resident from day one, regardless of any count.

Who it applies to

This matters most if you are:

  • A remote worker spending a few weeks in Switzerland — working from a Swiss chalet counts as gainful activity.
  • A frequent visitor stringing together long Swiss stays with short trips out, assuming the clock resets.
  • A cross-border commuter or seconded employee whose Swiss workdays are stacking up.
  • Someone wintering or summering in Switzerland for two or three months without working.

The rule applies regardless of nationality or permit status — physical stay plus (non-)working status is what counts.

The rule — and why it exists

Article 3 of the Federal Direct Tax Act (DBG) creates tax residency two ways:

  • Domicile: you settle in Switzerland with the intent to stay permanently. Resident from day one — no day count involved.
  • Stay (Aufenthalt): you stay at least 30 days while exercising gainful activity, or at least 90 days without — counted per stay, disregarding temporary interruptions.

Why it exists: the stay rule stops people living and working in Switzerland for months while claiming to be visitors. The no-reset wording exists precisely to defeat the weekend-abroad trick — the legislator counts a continuous life in Switzerland, not unbroken nights.

Counting the days

  1. 1Identify the stay: it starts when you arrive to remain in Switzerland and ends when you genuinely leave - not when you pop out for a short trip.
  2. 2Count the days of the stay, ignoring temporary interruptions (short trips abroad bridge across, they don't restart the count).
  3. 3Working during the stay? The threshold is 30 days. Remote work for a foreign employer performed on Swiss soil counts as gainful activity.
  4. 4Not working at all? The threshold is 90 days - residency triggers on day 90.
  5. 5Crossed either line - or established a home with intent to stay? You are subject to unlimited Swiss tax liability, generally from the start of the stay.

Examples

Example 1 — the remote-work month

You rent a flat in Zurich for five weeks and keep working remotely for your foreign employer. That is gainful activity in Switzerland — the 30-day line is crossed and you become Swiss tax resident by stay.

Example 2 — the weekend-reset trick that doesn't work

You spend ten weeks in Verbier without working, flying home for a weekend every three weeks. The short trips are temporary interruptions — the stay is counted as one, passes 90 days, and residency triggers despite the breaks.

Example 3 — under the line

You take a six-week sabbatical in the Alps and genuinely do no work. Six weeks is ~42 days — under the 90-day no-work threshold, and no domicile is established. You do not become resident (though salary for any work actually performed in Switzerland could still be taxable at source).

Exceptions & edge cases

  • Domicile beats the count. Moving in with intent to stay — a lease, family relocation, registration — makes you resident immediately; the 30/90 counts never come into play.
  • What counts as working. Gainful activity is read broadly: employment, self-employment, and remote work performed while physically in Switzerland.
  • Cantonal layer. Cantons apply the same residency concepts for cantonal and communal tax, so the consequences arrive at all three levels together.
  • Treaty tie-breakers. If you are also resident elsewhere, the applicable treaty assigns one treaty residence and divides taxing rights.

Common misconceptions

  • "I'm fine under 183 days." False — Switzerland's lines are 30 and 90 days per stay, not 183 per year.
  • "Leaving every few weeks resets the clock." It doesn't — the statute counts the stay disregarding temporary interruptions.
  • "Remote work for a foreign employer isn't Swiss work." Work performed on Swiss soil is gainful activity — the 30-day threshold applies.
  • "Residency only starts when I register." Registration is administrative; residency by stay follows the facts and can backdate to the start of the stay.

Frequently asked questions

No. Swiss domestic law draws the line much earlier: a stay of 30 days while exercising gainful activity, or 90 days without working, establishes tax residency by stay under Art. 3 of the DBG. The 183-day figure only appears in tax treaties.

No. The statute counts your stay 'disregarding temporary interruptions' — a weekend abroad or a short business trip does not legally restart the 30- or 90-day clock. Only a genuine end to the stay does.

30 days if you exercise gainful activity (employment or self-employment) during the stay; 90 days if you don't work. Remote work performed while physically in Switzerland is gainful activity, so most working visitors face the 30-day line.

Yes. Establishing a domicile — settling in Switzerland with the intent to stay permanently, shown by a home, family, or moving your life there — makes you resident from day one regardless of days.

You become subject to unlimited (worldwide) Swiss tax liability, generally from the start of the stay. Cantonal and communal taxes follow the same residency concepts, so the exposure is federal, cantonal, and communal at once.

The applicable double-taxation treaty applies its tie-breaker — permanent home, centre of vital interests, habitual abode, nationality — to assign a single treaty residence and divide taxing rights.

This rule is tracked automaticallyinBounded

  • Automatically tracks your days for this rule
  • Alerts you before you cross the limit
  • Counts arrival and departure days correctly
  • Runs alongside your other visa, tax, and residency rules
Get the app

Sources

Related rules

For information only. This page is a plain-English summary of publicly available rules, not tax, legal, or immigration advice. Rules change and depend on your personal circumstances — always confirm with the official source above and a qualified professional before acting.