parties States Angola Antigua Date of reaeipt of the instrument of ratification or accession entry into force 17 September 1986 A/ 17 October 1986 1 August 1989 a/ and Barbuda Date of 31 August 1989 15~JUlY 1985 p/ 14 August 1985 28 July 1983 B/ 27 August 31 March 1982 h/ 30 April 6 November 1984 81 81 16 October 1980 1983 1982 6 December 1984 3 September 1981 Belgium 10 July 1985 p/ Belize 16 May 1990 15 June 1990 Bhutan 31 August 1981 30 September 1981 Bolivia 0 June 1990 Brasil 1 February 1984 h/ 2 March 1984 Bulgaria 8 February 1982 b/ 10 March 1982 Burkina 14 October Faso Syelorussian Republics Soviet Socialist 8 July 1987 a/ 1985 1990 13 November 1987 1981 G/ 3 September 1981 December 1981 h/ 9 January Cape Verde 5 December 1980 a/ 3 September 1981 Chile 7 December 1989 6 January China 4 November 1980 b/ 3 September 1981 Cana%a Colombia 4 February 9 August 10 19 January -88- 1982 18 February 1982 1990 1982 ’