Соответствующая норма
Luxembourg
Practice Relating to Rule 99. Deprivation of Liberty
Under Luxembourg’s Law on the Punishment of Grave Breaches (1985), the detention of a protected person contrary to the provisions of the 1949 Geneva Convention III and the 1949 Geneva Convention IV is a grave breach of these instruments. 
Luxembourg, Law on the Punishment of Grave Breaches, 1985, Article 1(7).