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Academic internship - Luxembourg

Q: What is a tripartite agreement and who signs it?

A formal document signed by three parties: the school (which issues it), the student, and the employer. The school originates the document.

Q: Can an academic internship lead directly to an employment contract?

Yes. There is no cooling-off period - an employer can issue a standard employment contract immediately after the internship ends.

Q: What documents does the employer need to keep?

A copy of the signed tripartite agreement, the intern's working schedule, any allowance payment records, and the written assessment if the internship exceeded 4 weeks.

Q: Is the allowance taxable?

If the allowance stays below 40% SSM (currently €1.081,50/month) and no social contributions apply, it is not subject to income tax.

Required by the study programme - tripartite agreement between school, student and employer.

Academic internship

Part of an official study programme - the school issues a tripartite agreement that defines the scope, duration, and learning objectives.

Usually unpaid

The tripartite agreement must be in place before the internship starts. The school issues the agreement - the employer does not initiate it unilaterally.

Allowance

Optional

No legal minimum - employer may offer a stipend

Social contributions

Not required

Unless paid above the SSM threshold

Max duration

6 months

Aligned with the curriculum period

Agreement

Tripartite

School + student + employer must all sign

Tax

None

If unpaid or below the taxable threshold

Written assessment

Required

If the internship exceeds 4 weeks

Allowances follow the social minimum wage. Pick a year to see the figures that applied:

2026

How the four types compare - 2026

Based on SSM 2.771,33 €

Type	Allowance	Social contributions	Duration	Agreement
Academic	Optional	None (if unpaid)	<= 6 months	Tripartite
Voluntary	1.108,53 € - 2.078,50 €	Full CCSS if paid	<= 6 months	Bilateral
Orientation	None	None	Few days-1 week	Simple written
Apprenticeship	914,54 € - 1.385,67 €	Full CCSS	2-3 years	Apprenticeship contract

Frequently asked questions

What is a tripartite agreement and who signs it?

A formal document signed by three parties: the school (which issues it), the student, and the employer. The school originates the document.

Can an academic internship lead directly to an employment contract?

Yes. There is no cooling-off period - an employer can issue a standard employment contract immediately after the internship ends.

What documents does the employer need to keep?

A copy of the signed tripartite agreement, the intern's working schedule, any allowance payment records, and the written assessment if the internship exceeded 4 weeks.

Is the allowance taxable?

If the allowance stays below 40% SSM (currently €1.081,50/month) and no social contributions apply, it is not subject to income tax.

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