Međutim, pregovori su prije godinu dana obustavljeni zbog nehapšenja i neizručivanja od strane srbijanske vlade bivšeg vojnog komandanta bosanskih Srba Ratka Mladića Međunarodnom krivičnom tribunalu za bivšu Jugoslaviju (ICTY) do 30. aprila 2006, što je Koštunica bio obećao.
But negotiations were suspended a year ago following the Serbian government's failure to arrest and hand over former Bosnian Serb military commander Ratko Mladic to the International Criminal Tribunal for the former Yugoslavia (ICTY) by April 30th, 2006, as Kostunica had promised.