Home2001 Treaties and Agreements ...Ukraine (01-920) – Agreement on the Establishment of Communication between Centers hide Ukraine (01-920) – Agreement on the Establishment of Communication between Centers TIAS Office of Treaty Affairs September 20, 2001 Nonproliferation: Communication Agreement signed at Kiev September 20, 2001; entered into force September 20, 2001. With annexes. Download Attachment [645 KB] Tags Arms Control and Nonproliferation Nonproliferation Treaties Ukraine