⏰ Can I refuse to work overtime in Luxembourg?

With conditions

Quick answer

Yes, in far more cases than people think. An employer may only impose overtime on a closed list of grounds and after consulting the staff delegation and notifying a reasoned request to the ITM. Outside that framework — or where the practice becomes systematic and amounts to an abuse of right — you are entitled to refuse. The myth to kill: "my contract includes an all-in package, so my overtime is already paid." Guichet.lu says it in black and white: it is not possible to stipulate that overtime is already included in fixed monthly pay — except for senior executives. Minimum compensation: 140%, or 1.5 hours off per hour worked.

📋 The rules

Normal hours: 8 a day and 40 a week. Absolute ceilings: 10 a day and 48 a week. Outside force majeure or accident, overtime itself is strictly limited to 2 hours a day.
Authorisation regime: before any overtime is worked, the employer must consult the staff delegation and notify a reasoned request to the ITM. A favourable opinion means the notification counts as authorisation; an unfavourable or ambiguous one means ministerial authorisation is required.
Closed list of grounds: special, preparatory or complementary work (stocktaking, liquidations), preventing the loss of perishable goods or of the result of work, or force majeure involving the public interest or a national danger. Nothing else.
Compensation: the default is compensatory rest of 1.5 hours per overtime hour (or the time-savings account), and the employer freely chooses between rest and payment — except during a notice period with release from work. Where time off is impossible: at least 140% of the hourly wage (monthly pay ÷ 173 hours).
Tax: the premium portion (40% and above) is exempt from income tax and social contributions. The base portion (100%) is exempt from tax and contributions except for benefits-in-kind health contributions (2.8%) and the dependency contribution (1.4%).

🔓 Exceptions

Absolute right of refusal: adolescents (art. L.344-10), pregnant and breastfeeding women (art. L.336-1), part-time employees (art. L.123-5 — voluntary only, capped at normal full-time hours), senior executives (art. L.162-8), and temporary agency workers vis-à-vis the user company.
Senior executives: no premium, no compensatory rest, no hourly ceiling. This is the only case in which a contract may validly state that overtime is included in fixed pay.
Exemption from prior notification where an accident has happened or is imminent, for urgent machinery repairs, or in force majeure. The employer must still inform the ITM — and once such periods exceed 3 days a month, prior notification becomes mandatory again.

⚠️ Penalties & fines

The employer must keep a special register of every extension — overtime, Sunday work, night work, public holidays — and of the pay awarded; it must be produced at any ITM inspection. Where regularisation does not follow the director's injunction, the administrative fine runs from €25 to €25,000 (art. L.614-13). The cost nobody sees coming: overtime must be declared separately from gross pay. An employer who buries it in the gross figure destroys the employee's tax and social exemption on the premium — and the employee can claim back pay at 140% of the hourly rate for the whole period.

📎 Official sources

Last verified: 2026-07-12

❓ Frequently asked

My contract says overtime is included in my salary. Is that valid?

No, unless you are a senior executive. Guichet.lu is explicit: a contract cannot provide that overtime is already comprised in the fixed monthly remuneration, and any such clause is ineffective.

Can I be disciplined for refusing overtime?

Not where the legal framework was not respected: with no qualifying ground and no notification to the ITM, the request is irregular. Systematic recourse to overtime can also amount to an abuse of right.

How is overtime paid in Luxembourg?

The default is compensatory rest of 1.5 hours per hour worked, with the employer choosing between time off and payment. Where time off is impossible, the minimum rate is 140% of the hourly wage, based on 173 hours.

Can a part-time employee refuse?

Yes, and it is an absolute right: overtime for a part-timer is purely voluntary and capped at normal full-time hours. Refusing cannot be held against you or used as grounds for discipline.

What is the maximum I can be made to work in a day?

The absolute ceilings are 10 hours a day and 48 hours a week. Outside force majeure or accident, overtime itself is strictly limited to 2 hours per day on top of normal working time.

🔎 Common searches

What people search to land here:

“can i refuse overtime luxembourg”
“overtime pay luxembourg 40 percent premium”
“unpaid overtime luxembourg claim”
“maximum working hours per day luxembourg”
“compensatory rest overtime luxembourg”
“part time overtime luxembourg voluntary”