Sperrfrist: Protected Period Against Dismissal
Sperrfrist is a protected period under Swiss law during which you cannot dismiss an employee, even for good cause. The most common trigger is pregnancy and maternity leave. Other situations include military service, union office, and accident insurance claims. The protection extends beyond the triggering event and varies by canton and employment contract.
A Sperrfrist is a statutory or contractual period during which you are forbidden to terminate an employee's contract, regardless of performance or business need. It exists to protect employees from dismissal at vulnerable moments.
Sperrfrists appear in the Swiss Code of Obligations (OR), cantonal labour codes, and collective labour agreements (GAV). They apply to all employment relationships in Switzerland, regardless of Pensum or employment type.
When Sperrfrist Applies
Sperrfrist is triggered by specific life events and legal situations. Pregnancy and maternity leave are the most common: dismissal is blocked from notification of pregnancy through 16 weeks after birth, though some cantons extend this further.
Other protected periods include military or civil service, accident or illness absence under LAA/UVG insurance, union or works council duties, and in some cantons, during notice periods after you initiate dismissal.
- Pregnancy and maternity (16 weeks post-birth minimum)
- Military or civil service obligation
- Accident or workplace injury recovery (LAA/UVG)
- Union or works council representative duties
- Notice period running after employer dismissal
- Some cantons add apprenticeship completion or illness absences
Your Obligation as Employer
You must know which Sperrfrists apply in your canton and in your collective agreement (GAV), if one covers your industry. Before dismissing anyone, verify their status: are they pregnant, on military leave, recovering from an insured accident, or holding a union role?
Dismissals issued during Sperrfrist are void under Swiss law. You cannot circumvent this by disguising a termination as restructuring, probation end, or force majeure. If challenged, the burden is on you to prove the dismissal was issued outside the protected period.
- Check your canton's labour code and any applicable GAV before dismissal
- Confirm employee status before sending termination notice
- Document the date dismissal notice is issued (not received)
- Sperrfrist applies even if you have just cause under OR Art. 337
- A void dismissal may restart if reissued after protection ends
- In case of doubt, consult a local employment lawyer
Most Common Mistake
Employers often assume that having documented poor performance or breach of contract overrides Sperrfrist. This is false. Even a conduct dismissal is void if issued during the protected period. The employee's behaviour is irrelevant; the timing is what matters.
The second mistake is treating Sperrfrist as a gentlemen's agreement. It is not. An employee can challenge dismissal years later, and courts will void it retroactively, forcing reinstatement or severance. Ensure your termination letter confirms the date it was issued.
- Sperrfrist blocks dismissal regardless of cause or Pensum
- Assume pregnancy if an employee shows signs—confirm in writing
- Do not issue dismissal 'by accident' during protected period
- Written notice is only valid if dated outside the Sperrfrist window
- Verbal dismissal during Sperrfrist is equally void
- Waiting until protection ends is always safer than legal risk
Frequently asked questions
- Can I dismiss an employee during Sperrfrist if they breach the employment contract?
- No. Sperrfrist is absolute under Swiss law. Even serious misconduct or breach does not override it. The dismissal will be void. You must wait until the protected period ends, then issue a new termination notice if grounds still exist.
- Does Sperrfrist apply to part-time employees or those on reduced Pensum?
- Yes. Sperrfrist applies to all employment relationships regardless of Pensum percentage or contract type. A 20% part-time employee is as protected as a full-time employee during the applicable period.
- What if I issue dismissal notice by email before I knew the employee was pregnant?
- The protection depends on when the email was time-stamped and received by the employee, and when you actually learned of the pregnancy. A lawyer should review the timeline. If pregnancy was known or knowable before sending, dismissal is likely void.
General information for Swiss employers, not legal advice. Have a lawyer confirm anything with legal consequences.