Back to Second half, 1996 Up to Table of Contents Ahead to Second half, 1997 First half, 1997 Country Name Date of Signature Date of Ratification Type Enter into Force Burundi 11-Jun-92 06-Jan-97 R 07-Apr-97 Ukraine 11-Jun-92 13-May-97 R 11-Aug-97 Singapore 13-Jun-92 29-May-97 R 27-Aug-97