Sick leave rules in Luxembourg at a glance
Statutory rules for Luxembourg, checked against official government guidance on 15 October 2026.
| Tell your employer | From the first day, orally or in writing |
|---|---|
| Self certification | Up to 2 working days for the CNS; your employer may require a certificate from day 1 |
| Doctor's certificate needed from | Beyond 2 working days, or day 1 if your employer requires it |
| Certificate deadline | Must reach the employer by the 3rd day of absence; part 1 to the CNS by the 3rd day of incapacity |
| Waiting days | Check with your insurer |
| Employer pays | Full salary to the end of the month in which the 77th day falls |
| State sickness benefit | CNS sickness benefit after that |
| Maximum duration | 78 weeks in 104 |
| Day count | Working days |
| Last checked |
Who pays sick pay in Luxembourg?
In Luxembourg, employer pay: full salary to the end of the month in which the 77th day falls. State sickness benefit: CNS sickness benefit after that.
- EmployerFull salary to the end of the month in which the 77th day falls
- State sickness benefitCNS sickness benefit after that
- Official body
- CNS
Work out your own figures with the sick pay calculator.
When do you need a doctor's note in Luxembourg?
In Luxembourg, a doctor's certificate is needed: beyond 2 working days, or day 1 if your employer requires it.
Self certification. Up to 2 working days for the CNS; your employer may require a certificate from day 1
Certificate deadline. Must reach the employer by the 3rd day of absence; part 1 to the CNS by the 3rd day of incapacity
Telling your employer. From the first day, orally or in writing
Check your own dates with the "do I need a note" tool, or see how to get a doctor's note in Luxembourg.
Worked example: 10 days off sick in Luxembourg
How a 10 day absence runs in Luxembourg, step by step. No money is worked out here.
| When | What happens | The rule |
|---|---|---|
| Day 1 | Tell your employer | From the first day, orally or in writing |
| Days 1 to 10 | Employer | Full salary to the end of the month in which the 77th day falls |
Maximum duration: 78 weeks in 104
For your own figures, use the sick pay calculator. It reads the same checked data as this page.
What is different about sick leave in Luxembourg?
The 77 day count runs over 18 consecutive months.
The certificate must reach your employer, and part 1 must reach the CNS, by the 3rd day.
What if you work in Luxembourg but live in another country?
If you work in Luxembourg and live in another country, you are usually covered by the social security system where you work, so the rules on this page apply.
Report sick by the rule in Luxembourg (from the first day, orally or in writing), and send any certificate to the body that pays you (CNS).
If your doctor is in another country, ask the paying body (CNS) which format it accepts.
More on working in one country and living in another. Related tool: Fit to fly readiness checklist
Frequently asked questions
The rule for telling your employer in Luxembourg: from the first day, orally or in writing.
The certificate deadline in Luxembourg: must reach the employer by the 3rd day of absence; part 1 to the CNS by the 3rd day of incapacity.
The maximum duration of sick pay in Luxembourg: 78 weeks in 104.
Self certification in Luxembourg: up to 2 working days for the CNS; your employer may require a certificate from day 1.
Sick leave rules in neighbouring countries
Compare Luxembourg with Belgium and France, or see all 42 countries side by side.
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