How do I set up a trainees/interns contract in Luxembourg?
Setting up an internship in Luxembourg requires careful compliance with both employment and social security regulations. Follow these steps to properly create an internship using Salary.lu.
A. Academic or Study-related internship (tripartite agreement – stage conventionné)
Required as part of the student's curriculum (school/university).
Must be formalized by a tripartite agreement signed by the employer, the student, and the educational institution.
Can be paid or unpaid, depending on the duration and nature.
B. Voluntary or Non-study-related internship (bilateral agreement – stage volontaire)
Not required by an educational program.
Must be formalized by a bilateral agreement between the employer and the intern.
Treated similarly to regular employment for social security and remuneration purposes.
Academic or Study-related internship
The agreement must be signed by:
The employer
The intern (and legal guardian if under 18)
The educational institution
The agreement must include:
Start and end dates
Working hours per week
Description of tasks and objectives
Remuneration details (if applicable)
Name and responsibilities of the supervisor/tutor
Terms for absence, leave, and termination
Social security coverage arrangements
Voluntary or Non-study-related internship
A standard employment contract is required.
All standard labor law and social security rules apply.
Academic or Study-related internship
If the intern is already covered (as a student or family member): No additional affiliation needed.
If not covered: The educational institution must affiliate the intern with the CCSS.
Voluntary or Non-study-related internship
The employer must affiliate the intern as a regular employee with the CCSS, covering all standard social security contributions.
Internships under 4 weeks: Remuneration is optional.
Internships of 4–12 weeks: At least 40% of the minimum social wage.
Internships of 12–26 weeks: At least 75% of the minimum social wage.
"Qualified" minimum wage applies if the intern has a diploma, BTS, or higher education certificate.
Create the employee profile ( see instructions).
Go to the employee's profile and select the "Contract" tab.
Choose "Internship" as the contract type.
Select the training type (academic (study-related) or voluntary).
Enter the required details: dates, hours, remuneration, and supervisor.
Save and ensure all parties sign the agreement before the internship starts.
Need Help?
For further assistance, consult the Contracts section of our Help Center or contact our support team.
References:
CCSS: Study-Related Internships
CCSS: Non-Study Internships
1. Identify the Type of Internship
A. Academic or Study-related internship (tripartite agreement – stage conventionné)
Required as part of the student's curriculum (school/university).
Must be formalized by a tripartite agreement signed by the employer, the student, and the educational institution.
Can be paid or unpaid, depending on the duration and nature.
B. Voluntary or Non-study-related internship (bilateral agreement – stage volontaire)
Not required by an educational program.
Must be formalized by a bilateral agreement between the employer and the intern.
Treated similarly to regular employment for social security and remuneration purposes.
2. Prepare the Internship Agreement
Academic or Study-related internship
The agreement must be signed by:
The employer
The intern (and legal guardian if under 18)
The educational institution
The agreement must include:
Start and end dates
Working hours per week
Description of tasks and objectives
Remuneration details (if applicable)
Name and responsibilities of the supervisor/tutor
Terms for absence, leave, and termination
Social security coverage arrangements
Voluntary or Non-study-related internship
A standard employment contract is required.
All standard labor law and social security rules apply.
3. Social Security Affiliation
Academic or Study-related internship
If the intern is already covered (as a student or family member): No additional affiliation needed.
If not covered: The educational institution must affiliate the intern with the CCSS.
Voluntary or Non-study-related internship
The employer must affiliate the intern as a regular employee with the CCSS, covering all standard social security contributions.
4. Remuneration Rules
| Internship Duration | Unqualified | Qualified |
|---|---|---|
| < 4 weeks | optional | optional |
| ≥ 4 weeks to ≤ 12 weeks | 1.055,12 € (40% of minimum wage) | 1.266,14 € (40% of qualified minimum wage) |
| > 12 weeks to ≤ 26 weeks | 1.978,34 € (75% of minimum wage) | 2.374,01 € (75% of qualified minimum wage) |
Internships under 4 weeks: Remuneration is optional.
Internships of 4–12 weeks: At least 40% of the minimum social wage.
Internships of 12–26 weeks: At least 75% of the minimum social wage.
"Qualified" minimum wage applies if the intern has a diploma, BTS, or higher education certificate.
5. Enter the Contract in Salary.lu
Create the employee profile ( see instructions).
Go to the employee's profile and select the "Contract" tab.
Choose "Internship" as the contract type.
Select the training type (academic (study-related) or voluntary).
Enter the required details: dates, hours, remuneration, and supervisor.
Save and ensure all parties sign the agreement before the internship starts.
Need Help?
For further assistance, consult the Contracts section of our Help Center or contact our support team.
References:
CCSS: Study-Related Internships
CCSS: Non-Study Internships
Updated on: 28/04/2025
Thank you!