text: 4 December 1969 31 August 1983 19 January 1976(8) 15 August 1984 15 April 1979 12 February 1970(9) 13 May 1974 22 November 1973 4 December 1969 6 July 1970 4 December 1969 10 May 1977(2) (10) 10 December 1973 14 February 1971 16 September 1975(2) (11) 7 November 1971 10 August 1978(2) 4 December 1969 17 June 1971 (2) 4 December 1969 5 December 19 81 20 May 1971 16 May 1974 (2) 15 August 1971 29 January 1984 19 February 1970 7 June 1972 4 April 1979 7 February 1971 30 May 1971 7 July 1978 (12) 24 August 1972(2) 30 December 1969 28 August 1978 25 November 1975(13) 4 December 1969 21 March 1971 29 October 1980(2) 4 June 1972 24 October 1971 9 May 1972 26 May 1975 (2) 16 March 1976 I ... A/40/445 English Page 46 States Date of signature Uganda United Arab Emirates United Kingdom 14 September 1963 United Republic of Tanzania United States 14 September 1963 Uruguay Venezuela 13 March 1964 Viet Nam Yugoslavia 14 September 1963 Zaire Zambia Date of deposit of Instrument of Ratification or Accession 25 June 1982 16 April 1981 29 November 1968 12 August 1983 5 September 1969 26 January 1977 4 February 1983 10 October 1979 12 February 1971 20 July 1977 14 September 1971 Effective date 23 September 1982 15 July 1981(2)(13) 4 December 1969(15) 10 November 1983 4 December 1969 26 April 1977 (2) 5 May 1983 ( 2) 8 January 1980(2) 13 May 1971 18 October 1977 13 December 1971 (1) Declaration dated 15 May 1975 by Bahamas that it considers itself to be bound to the said Convention by virtue of the ratification of the United Kingdom and pursuant to customary international law. The Commonwealth of the Bahamas 
analysis: The text appears to be a list of dates related to the ratification or accession of a treaty or convention. The dates include the date of signature, date of deposit of instrument of ratification or accession, and effective date. This suggests that the category is related to international relations or diplomacy.