Соответствующая норма
Yugoslavia, Federal Republic of
Practice Relating to Rule 160. Statutes of Limitation
In 1993, in a letter to the UN Secretary-General concerning the establishment of the International Criminal Tribunal for the former Yugoslavia, the Federal Republic of Yugoslavia stated: “War crimes … are not subject to the statute of limitations.” 
Yugoslavia, Federal Republic of, Deputy Prime Minister and Minister of Foreign Affairs, Letter dated 17 May 1993 to the UN Secretary-General, UN Doc. A/48/170*-S/25801*, 21 May 1993, p. 2.