Employment law
Challenging a dismissal in Luxembourg: the 3 month deadline you must not miss
Reviewed and approved by a lawyer admitted to the Luxembourg Bar.
Quick answer
In Luxembourg, challenging a dismissal is subject to a short forfeiture period: in practice three months to bring the case before the employment court. First request the grounds by registered letter within one month of notification. A late, imprecise or unjustified ground makes the dismissal unfair and gives a right to compensation.
Challenging a dismissal in Luxembourg is governed by strict forfeiture periods: once the deadline has passed, the right to bring a claim is lost even if the case is strong. An employee dismissed with notice must first request the grounds by registered letter and then, if the dismissal appears unfair, bring the case before the employment court within the applicable period. This guide covers the deadlines, the request for grounds, dismissal with or without notice, serious misconduct, compensation and the procedure. To take action, consult an employment lawyer.
In short
- Keep the dismissal letter and note the exact date of notification: every deadline runs from it.
- Request the grounds by registered letter within one month of notification (dismissal with notice).
- A ground that is late, imprecise or unfounded may make the dismissal unfair.
- The period for bringing a claim before the employment court is in principle three months: it is a forfeiture period.
- A written objection sent within the period may extend the time to act by one year: handle with care.
- Consult a lawyer without delay: the timetable is the first risk factor.
| Step | Indicative deadline | Starting point |
|---|---|---|
| Request for grounds (dismissal with notice) | 1 month | Notification of the dismissal |
| Employer's reply on the grounds | 1 month | Receipt of the request for grounds |
| Claim for unfair dismissal (employment court) | 3 months (forfeiture) | Notification, grounds or reply, depending on the case |
| Extension by written objection | 1 year | Objection sent to the employer within the period |
| Challenge to a dismissal for serious misconduct | 3 months | Notification of the dismissal with immediate effect |
A forfeiture period, not a simple limitation period
In Luxembourg, an employee challenging a dismissal must act within a strict period, in principle three months. This is a forfeiture period: once it expires, the right to bring a claim is permanently lost, however strong the case may be.
The starting point depends on the circumstances (notification of the dismissal, communication of the grounds, or the employer's reply to a request for the grounds). It is precisely on this point that rights are lost for want of a swift response.
Requesting the grounds: a key step
Where a dismissal is given with notice, the employee may ask the employer to set out the grounds. The reply, or the absence of a reply, has direct consequences for whether or not the dismissal is unfair.
Grounds that are imprecise or provided too late may be enough for the dismissal to be classified as unfair, giving rise to a right to compensation.
What to do in practice
As soon as you receive the dismissal letter, keep every document and note the dates. Consult a lawyer without delay: the timetable is the main risk factor.
The firm assesses your prospects, calculates the applicable deadline and brings the challenge in the proper form.
| Criterion | With notice | With immediate effect (serious misconduct) |
|---|---|---|
| Grounds | Genuine and serious, linked to ability, conduct or the needs of the business | Serious misconduct making it impossible to continue the contract |
| Notice period | Yes, depending on length of service | None: immediate termination |
| Request for grounds | On the employee's request within one month | Grounds stated from the outset in the letter |
| Burden of proof | Employer (genuine and serious grounds) | Employer (seriousness of the misconduct) |
| Risk for the employer | Compensation if unfair | Notice pay and damages if the misconduct is not upheld |
Depending on your profile
For employees
Keep the letter and the date of notification, request the grounds by registered letter within one month and act within the three month period. This period is a forfeiture period: once it has passed, the claim is lost.
For managers
Check that the preliminary meeting was properly held and that the grounds are precise. Imprecise or disproportionate grounds make the dismissal unfair and give a right to damages that take account of your length of service.
For employers
The burden of proving the genuine and serious grounds rests on you. Document the facts, comply with the preliminary meeting and the procedure, and rely on serious misconduct only where it is shown that continuing the contract was immediately impossible.
For cross-border employees
A contract performed in Luxembourg is governed by Luxembourg law and the Luxembourg employment court has jurisdiction. The forfeiture periods apply in the same way: living abroad does not extend the time to act.
Official sources