Соответствующая норма
Luxembourg
Practice Relating to Rule 161. International Cooperation in Criminal Proceedings
Section E. Cooperation with international criminal tribunals
Luxembourg’s Law on Cooperation with the International Tribunals (1999) states:
For the implementation of resolution 827 of the United Nations Security Council of 25 May 1993 establishing an International Tribunal for the Prosecution of Persons Responsible for Serious Violations of International Humanitarian Law Committed in the Territory of the Former Yugoslavia since 1991 and a date to be determined by the Security Council after the restoration of peace, and for the implementation of resolution 955 of the United Nations Security Council on 8 November 1994 establishing an International Criminal Tribunal for the Prosecution of Persons Responsible for Genocide and Other Serious Violations of International Humanitarian Law Committed in the Territory of Rwanda and Rwandan Citizens responsible for genocide and other such violations committed in the territory of neighbouring States, between 1 January 1994 and 31 December 1994, the Grand Duchy of Luxembourg participates in the repression of crimes and cooperates with these courts under the conditions laid down by this Act. 
Luxembourg, Law on Cooperation with the International Tribunals, 1999, Article 1.