Request from the Governments of Belgium, Costa Rica, Finland, Hungary, South Africa and Switzerland regarding the text prepared by the International Committee of Red Cross on article 8, paragraph 2(a), of Rome Statute of the International Criminal Court : letter dated 18 February 1999 from the representatives of Belgium, Costa Rica, Finland, Hungary and South Africa to the United Nations and the head of the delegation of Switzerland to the Preparatory Commission addressed to the Secretary-General