How long before the expiry do I have to start renewing the B permit?

It is advisable to start the procedure at least 2-3 months before the expiry date. This time allows the cantonal office to process the application without the risk of interruption of legal residence. Starting too late (less than 30 days before the deadline) may result in delays or denial if the documentation is not complete.

What is the difference between permit B and permit C?

The B permit is temporary and renewable (duration 1-5 years according to citizenship), while the C permit is of stable domicile (obtainable after 10 years of residence with B permit, or 5 years for EU/EFTA). The C permit does not expire and does not require periodic renewal. During permit B, you must maintain stable employment; with permit C you have more flexibility.

If my renewal application is incomplete, what happens?

The cantonal office will formally request the missing documentation. You will have a deadline (usually 15-30 days) to supplement the application. The processing period will begin again from the date of receipt of the supplementary documents. To avoid delays, always check the checklist before submitting.

Who are the citizens who get the 5-year duration for the B permit?

According to federal SEM regulations, citizens of the European Union (EU) and the European Free Trade Association (EFTA – Iceland, Liechtenstein, Norway, Switzerland) get a B permit for up to 5 years. Citizens of other States have usually allowed shorter duration (1-3 years).

Can I renew the B permit if I no longer have a job?

It depends on the circumstances and the canton. If you have been fired, you have a grace period of about 3 months to find a new job. If you remain unemployed beyond this period without justification, refusal of renewal is likely. Consult the cantonal migration office for your specific situation.

Residence Permit B: Requirements and Renewal (cross-border guide)

Di Redazione Frontaliere Ticino · Published on 23 August 2026

Swiss administrative office counter for residence permit registration.

Permit B allows renewable residence in Switzerland. Complete guide on requirements, documents, duration and renewal procedure at federal and cantonal level.

Context

In a nutshell

Permit B is a renewable temporary residence category for foreigners in Switzerland
Duration varies according to citizenship: from 1 to 5 years typically
Renewal must be requested at the cantonal migration office before the deadline

Key facts

What: Residence permit category B
Feature: Renewable residence
Competent authority: Federal SEM + cantonal offices
Duration: 1 to 5 years depending on origin
Who issues it: Canton (with federal coordination)

What is residence permit B

Residence permit B allows foreigners to reside and work in Switzerland on a temporary but renewable basis. At the federal level, the legislation on foreign permits (SEM) recognizes three main categories: the L permit (short duration, up to 1 year), the B permit (renewable residence) and the C permit (permanent residence). Permit B falls between these two extremes: it is not a permanent authorisation, but at the same time it allows longer periods of stay and continuous work, with the possibility of renewal at the end of each period.

The management of the B permit involves both the federal administration (through the SEM) and the cantonal authorities. The Obvaldo canton, like all Swiss cantons, has a migration office in charge of investigating applications, verifying the requirements and issuing the permit according to federal directives and cantonal legislation. The procedural specifications for the

Operational details

Differences between permit B and permit C

To understand the permit B, it is useful to compare it with the permit C. The permit of domicile C is intended for foreigners who intend to settle permanently in Switzerland. Normally, the transition to permit C occurs after 10 years of continuous residence with permit B, or after 5 years for EU/EEA citizens. The permit C does not have an expiration date (remains valid until revocation) and does not require periodic renewal. The permit B, on the other hand, is time-limited and requires renewal every 1-5 years.

This distinction has important practical implications. Those who have permit B must plan the renewal in advance and continuously verify the maintenance of the requirements (stable employment, payment of social contributions, health insurance). Those who have permit C benefit from greater legal stability, even if they continue to be bound by Swiss federal and cantonal laws.

Procedures and documentation

The procedure for permit B usually involves the submission of a written application to the competent cantonal migration office. The required documentation varies depending on the individual situation and cantonal regulations, but generally includes: an official application form, a copy of the passport or valid identity document, a contract of employment or a letter from the employer confirming the employment, a proof of accommodation (rental contract or statement from the owner), and a certificate of social contributions (AVS/AI) if available.

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Key points

How to initiate the renewal procedure

The renewal of a B permit is a process that requires advance planning. The first fundamental rule is: initiate the request at least 2-3 months before the expiration of the current permit. This time allows the cantonal office to instruct the application, verify the requirements, and issue the new permit without interruptions in legal residence.

The procedure starts at the migration office (or foreign office) of the canton of residence. In the case of the Obvaldo canton, it will be necessary to contact the competent office directly to obtain the official application form, which is usually available online on the canton's website. Some procedures are already digitalized and allow the submission of the application through an online portal; others still require the physical presentation of documents.

Checklist for the renewal application

Before submitting the request, make sure to have the following available:

Passport or valid identity document (must have a remaining validity of at least 6 months)
Official application form completed (provided by the cantonal office)
Current employment contract or letter from the employer confirming employment (dated recently)
Proof of residence (rental contract or owner's certificate)
Certificate of AVS/AI contributions for the last 12 months (downloadable from the UFAS/BSV online)
Copy of valid health insurance policy (LAMal)
Two passport-sized photographs (usually required)
One cantonal stamp (import varies by canton, typically CHF 20–100)

Make sure that your payslip clearly shows the AVS/AI contributions paid, as it will be needed to document the certificate. Always check the specific requirements with the local office: cantons may add additional documentation.

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Frequently Asked Questions

How long before the expiry do I have to start renewing the B permit?: It is advisable to start the procedure at least 2-3 months before the expiry date. This time allows the cantonal office to process the application without the risk of interruption of legal residence. Starting too late (less than 30 days before the deadline) may result in delays or denial if the documentation is not complete.
What is the difference between permit B and permit C?: The B permit is temporary and renewable (duration 1-5 years according to citizenship), while the C permit is of stable domicile (obtainable after 10 years of residence with B permit, or 5 years for EU/EFTA). The C permit does not expire and does not require periodic renewal. During permit B, you must maintain stable employment; with permit C you have more flexibility.
If my renewal application is incomplete, what happens?: The cantonal office will formally request the missing documentation. You will have a deadline (usually 15-30 days) to supplement the application. The processing period will begin again from the date of receipt of the supplementary documents. To avoid delays, always check the checklist before submitting.
Who are the citizens who get the 5-year duration for the B permit?: According to federal SEM regulations, citizens of the European Union (EU) and the European Free Trade Association (EFTA – Iceland, Liechtenstein, Norway, Switzerland) get a B permit for up to 5 years. Citizens of other States have usually allowed shorter duration (1-3 years).
Can I renew the B permit if I no longer have a job?: It depends on the circumstances and the canton. If you have been fired, you have a grace period of about 3 months to find a new job. If you remain unemployed beyond this period without justification, refusal of renewal is likely. Consult the cantonal migration office for your specific situation.