Presentations of the Convention:
Unofficial Status Of Convention (As of 21 May 1996).
State * Signature Ratification
Accession Entry into Force
Austria 30 April 1979 29 July 1993 1 August 1994
Barbados 2 February 1981 1 November 1992
Botswana 16 February 1988 1 November 1992
Brazil 31 March 1978
Burkina Faso 14 August 1989 1 November 1992
Cameroon 21 October 1993 1 November 1994
Chile 31 March 1978 9 July 1982 1 November 1992
Chzech Republic x/ 2 June 1993 23 June 1995 1 July 1996
Denmark 18 April 1979
Ecuador 31 March 1978
Egypt 31 March 1978 23 April 1979 1 November 1992
Finland 18 April 1979
France 18 April 1979
Gambia 7 February 1996 1 March 1997
Germany 31 March 1978
Georgia 21 March 1996 1 April 1997
Ghana 31 March 1978
Guinea 23 January 1991 1 November 1992
Holy See 31 March 1978
Hungary 23 April 1979 5 July 1984 1 November 1992
Kenya 31 July 1989 1 November 1992
Lebanon 4 April 1983 1 November 1992
Lesotho 26 October 1989 1 November 1992
Madagascar 31 March 1978
Malawi 18 March 1991 1 November 1992
Mexico 31 March 1978
Morocco 12 June 1981 1 November 1992
Nigeria 7 November 1988 1 November 1992
Norway 18 April 1979
Pakistan 8 March 1979
Panama 31 March 1978
Philippines 14 June 1978
Portugal 31 March 1978
Romania 7 January 1982 1 November 1992
Senegal 31 March 1978 17 March 1986 1 November 1992
Slovak Republic x/ 28 May 1993
Sierra Leone 15 August 1978 7 October 1988 1 November 1992
Singapore 31 March 1978
Sweden 18 April 1979
Tunisia 15 September 1980 1 November 1992
Uganda 6 July 1979 1 November 1992
United Rep. of Tanzania 24 July 1979 1 November 1992
United States of America 30 April 1979
Venezuela 31 March 1978
Zaire 19 April 1979
Zambia 7 October 1991 1 November 1992
Ratification Accession Egypt, 23 April 1979 Uganda, 6 July 1979 Chile, 4 July 1982 United Rep. of Tanzania, 24 July 1979 Hungary, 5 July 1984 Tunisia, 15 September 1980 Senegal, 17 March 1986 Barbados, 2 February 1981 Sierra Leone, 7 October 1988 Morocco, 12 June 1981 Austria, 29 July 1993 Romania, 7 January 1982 Czech Republic, 23 June 1995 Lebanon, 4 April 1983 Gambia, 7 February 1996 Botswana, 16 February 1988 Georgia, 21 March 1996 Nigeria, 7 November 1988 Kenya, 31 July 1989 Burkina Faso, 14 August 1989 Lesotho, 26 October 1989 Guinea, 23 January 1991 Malawi, 18 March 1991 Zambia, 7 October 1991 Cameroon, 21 October 1993