Status of Signature and Ratification 23 Total States | 23 Total Signed | 22 Total Ratified | 0 Not Signed | 1 Not Ratified Latest State Signatory: Slovakia 30-Sep-1996 Latest Ratifying State: Ukraine 23-Feb-2001 Region State Signature Date Ratification Date Eastern Europe Bulgaria 24-Sep-1996 29-Sep-1999 Eastern Europe Hungary 25-Sep-1996 13-Jul-1999 Eastern Europe Poland 24-Sep-1996 25-May-1999 Eastern Europe Romania 24-Sep-1996 05-Oct-1999 Eastern Europe Slovakia 30-Sep-1996 03-Mar-1998 Eastern Europe Ukraine 27-Sep-1996 23-Feb-2001 (-) Annex 2 States Only (-) CTBT State Signatories (-) CTBT Ratifying States Africa (-) Eastern Europe Latin America and the Caribbean Middle East and South Asia North America and Western Europe South-East Asia, Pacific & Far East