Terminating health insurance in Switzerland: using the deadlines properly

Every autumn, Switzerland catches switching fever. When the premiums for the coming year are announced, hundreds of thousands of Swiss policyholders want to terminate their compulsory basic insurance and move to a cheaper health insurer.

Anyone searching for "terminating health insurance deadline 30 November", "changing basic insurance in Switzerland" or "supplementary insurance notice period" who wants to play it safe needs to know the unforgiving statutory deadlines of the Swiss Federal Health Insurance Act (KVG/LAMal) precisely. In the insurance world the legislator forgives no delay: one single day late and you stay tied to your existing insurer for another full year.

This comprehensive expert guide sets out the difference between basic and supplementary insurance in detail, explains the exact deadlines, warns about the typical pitfalls and gives you a legally sound template.

1. Basic insurance: the classic year-end deadline

Compulsory basic insurance (required by law for everyone resident in Switzerland) runs on an extremely rigid deadline regime.

The ordinary notice period (30 November) The cut-off date for switching insurers: for basic insurance, the calendar year is in principle the insurance year. If you wish to switch to a new insurer, your written termination must reach your current health insurer by 30 November at the latest (during normal office hours, receipt by the insurer being decisive).

The catch in the receipt principle: what counts is physical receipt. Posting the letter on 30 November is absolutely not enough — it has to be physically in the hands of the insurer on that day. Sending it by registered post by mid-November at the latest is therefore strongly recommended.

Crucial distinction (31 December applies ONLY internally): 31 December is not a deadline for switching insurers! If you remain with your current health insurer but simply want to lower your deductible or switch to a savings model (such as HMO, Telmed, or family doctor model) for the new year, you have until 31 December to notify your insurer in writing. Conversely, if you want to increase your deductible, this notification must reach your insurer by 30 November.

Terminating after a premium increase & mid-year switches As soon as the Federal Office of Public Health (FOPH) approves the new premiums in late September, the following rules apply:

Premium increase in autumn: whenever your health insurer announces a premium increase, you have the right to terminate your basic insurance as of 31 December. In this case as well, the notice of termination must reach the insurer by 30 November at the latest.

Special case of mid-year termination (30 June): terminating mid-year as of 30 June (with a three-month notice period, i.e., receipt by 31 March at the latest) is strictly limited to two conditions: you hold the standard model with free choice of doctor AND have selected the statutory basic deductible (CHF 300 for adults / CHF 0 for children). If you have chosen an option with a higher deductible or a savings model (HMO/Telmed/family doctor), a mid-year switch as of 30 June is legally excluded.

2. The big stumbling block: basic vs. supplementary insurance

A fatal mistake many consumers make when changing health insurer in Switzerland is treating basic and supplementary insurance as the same thing. Completely different rules apply here!

Different laws: while basic insurance falls under the strict KVG (Health Insurance Act) and must be offered by every insurer at legally uniform prices (for the same region and age group), supplementary insurance (dental cover, supplementary hospital cover, supplementary outpatient cover) falls under the Insurance Contract Act (VVG/LCA).

Notice period usually falling on 30 September: under the VVG, the notice period for supplementary insurance is generally three months before the end of the insurance year (31 December). This means your termination letter for supplementary insurance must reach the insurer by 30 September at the latest! (Note: always check your individual policy, as some contracts specify different expiry dates).

The golden rule before terminating: never terminate your supplementary insurance in haste before you hold written, unconditional confirmation of acceptance from a new insurer for that supplementary cover! Because supplementary insurers are allowed to reject an applicant or attach a medical exclusion (following a health assessment!), you could otherwise end up with no supplementary cover at all. Basic insurance, on the other hand, can be terminated separately without any risk.

3. Step by step: how to switch insurers smoothly

Anyone planning to change provider in the autumn should go about it strategically:

Compare premiums in October: as soon as the FOPH approves the new premiums in late September, compare the offers on neutral portals (such as Priminfo.ch).

Apply for new basic insurance: complete the application for basic insurance with your preferred new insurer. Since basic insurance is subject to mandatory acceptance, no insurer can reject you.

Draft the termination in good time: write the termination letter (see the template below) and sign it by hand.

Send it by registered post: send the letter by registered mail to your old insurer with plenty of buffer (ideally by mid-November), so that you hold legally sound track-and-trace proof confirming receipt before 30 November.

Wait for confirmation: the old insurer will send you a termination confirmation and inform you about the smooth handover process.

4. Legally sound template: terminating health insurance correctly

Use this professional template, adjust the square brackets and send it by registered post:

Plaintext [Your first and last name] [Your street and number] [Postcode and town]

[Name of the health insurer, e.g. Helsana / Swica / CSS etc.] [Street and number of the insurer] [Postcode and town of the insurer's registered office]

[Your town], [date]

REGISTERED MAIL Subject: Ordinary termination of compulsory basic insurance Policyholder number / policy no.: [enter your exact number here]

Dear Sir or Madam,

I hereby terminate my compulsory basic insurance with your health insurer, in compliance with the statutory notice period, as of 31 December [current year, e.g. 2026].

Please note that this letter must reach you by 30 November at the latest in order to complete the ordinary change of insurer as of 1 January.

Please send written confirmation that the insurance relationship has been dissolved, together with the exact exit date, to the address given above.

*(If you also wish to terminate supplementary insurance policies and already hold guaranteed acceptance:)* Note: any supplementary insurance I hold (policy no. [number]) will be terminated / retained separately within the contractual VVG deadlines.

Thank you for processing this matter properly.

Yours faithfully,

_________________________________________ [Your handwritten signature] [Your first and last name in block letters]

5. Summary and check-list for changing health insurer

Cut-off date of 30 November: the termination notice to switch basic insurance must reach your previous insurer by 30 November at the latest.

Allow for postal delivery: sending the letter by registered mail by mid-November at the latest protects you against delivery delays.

Internal adjustments until 31 December: only deductible reductions or model changes within the same insurer can be submitted up to 31 December.

Watch supplementary policies: keep in mind the advance deadline under the VVG (often 30 September) and terminate supplementary policies only after receiving written confirmation of acceptance from your new insurer.

With this solid expert grounding you will save a great deal on premiums next year and handle your change of health insurer in Switzerland completely stress-free and on sound legal footing!