Home2011 Treaties and Agreements ...Kosovo (11-1214) – Agreement on the Protection and Preservation of Certain Cultural Properties hide Kosovo (11-1214) – Agreement on the Protection and Preservation of Certain Cultural Properties TIAS Office of Treaty Affairs December 14, 2011 Cultural Exchanges, Property and Cooperation Agreement signed at Washington December 14, 2011; entered into force December 14, 2011. Download attachment [397 KB] Tags Cultural Properties Kosovo Treaties