Home2012 Treaties and Agreements ...Kosovo (12-628) – Agreement Concerning Cooperation in the Area of Prevention of Proliferation of Weapons of Mass Destruction hide Kosovo (12-628) – Agreement Concerning Cooperation in the Area of Prevention of Proliferation of Weapons of Mass Destruction TIAS Office of Treaty Affairs June 28, 2012 Weapons: Proliferation Agreement signed at Pristina May 23, 2012; entered into force June 28, 2012. Download attachment [924 KB] Tags Kosovo Treaties Weapons