Due to maintenance work, it will not be possible to sign or submit procedures on MyGuichet.lu, or to generate documents (such as a certificate of residence) via your personal eSpace, on Wednesday 20 May 2026 from 5.00 and 6.00. Thank you for your understanding.

Working day

Refers to a day normally reserved for business or professional activities.

In general, all calendar days other than Sundays and public holidays can be considered as working days. Whether Saturday is a working day or not depends on the custom or usage of the business or profession in question.

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