The creation and organisation of the holding facility for illegal migrants were laid down by the law of 28 May 2009 on the holding facility for illegal migrants..
Its task is to receive and offer accommodation to persons subject to a placement measure taken in accordance with Article 120 of the modified law of 29 August 2008 on the free movement of persons and immigration or Article 22 of the law of 18 December 2015 on international protection and temporary protection.