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Losing a Luxembourg job as a cross-border worker: who pays, where to register
The rule surprises almost everyone: you contribute in Luxembourg, but your country of residence pays you.
The basic rule
EU regulation 883/2004 assigns full unemployment benefit to the country of residence, not the country of employment. A cross-border worker who loses a Luxembourg job therefore registers with France Travail, the Forem or the Agentur für Arbeit, and is paid under that country's rules — though calculated on the Luxembourg salary. It is the opposite of the intuition, and the most common mistake in the first weeks.
What the salary level changes
The benefit is calculated on the pay received in Luxembourg, but capped under the residence country's scales. A high Luxembourg salary therefore often meets the French, Belgian or German ceiling: the drop in income is sharper than for a local employee at the same level. That is a concrete reason to size your emergency savings on where you live rather than where you work.
The documents to ask for
Ask the employer for the work certificate and payslips, then ask the CCSS for form U1 (formerly E301), which certifies your Luxembourg insurance periods. Without the U1, your national agency cannot aggregate your entitlements and the file stalls. Request it as the contract ends, not when you register.
The short-time working case
Short-time or technical unemployment follows the opposite logic: it stays with Luxembourg, since the contract continues. A cross-border worker on reduced hours is therefore paid through the ADEM, via the employer, without involving the country of residence. The distinction between a full termination and a reduction in hours decides on its own who you deal with.
