Depositary
STATUS AS AT : 09-10-2024 03:15:38 EDT
CHAPTER VI
NARCOTIC DRUGS AND PSYCHOTROPIC SUBSTANCES
5. International Opium Convention
Geneva, 19 February 1925, and Lake Success, New York, 11 December 1946 1
Entry into force
:
3 February 1948 , the date on which the amendments to the Convention, as set forth in the annex to the Protocol of 11 December 1946, entered into force, in accordance with paragraph 2 of article VII of the Protocol.
Registration :
3 January 1948, No. 1845
Text : Certified true copy
League of Nations, Treaty Series, vol. 81, p. 317.
Note :
In accordance with its article 44 (1), the provisions of the Single Convention on Narcotic Drugs, 1961, as amended by the Protocol amending the Single Convention on Narcotic Drugs, 1961 of 8 August 1975, as between the parties thereto, terminates and replaces the provisions of the above Convention. See chapter VI.18.

Participant 2, 3
Definitive signature of the Protocol, Acceptance of the Protocol, Succession to the Convention and the Protocol
 Accession to the Convention as amended(a), Succession to the Convention as amended(d)
Afghanistan
   29 Jan 1957 a
Algeria
   31 Oct 1963 a
Argentina
 11 Dec 1946
 
Australia
 28 Aug 1947
 
Austria
 17 May 1950
 
Bahamas
 13 Aug 1975
 
Belgium
 11 Dec 1946
 
Benin
    5 Dec 1961 d
Bolivia (Plurinational State of)
 14 Dec 1946
 
Brazil
 17 Dec 1946
 
Burkina Faso
   26 Apr 1963 a
Cambodia
    3 Oct 1951 d
Cameroon
   20 Nov 1961 d
Canada
 11 Dec 1946
 
Central African Republic
    4 Sep 1962 d
Chile
 11 Dec 1946
 
Colombia
 11 Dec 1946
 
Congo
   15 Oct 1962 d
Côte d'Ivoire
    8 Dec 1961 d
Czech Republic 4
  30 Dec 1993 d
Democratic Republic of the Congo
   31 May 1962 d
Denmark
 15 Jun 1949
 
Dominican Republic
 11 Dec 1946
 
Ecuador
  8 Jun 1951
 
Egypt
 13 Sep 1948
 
Ethiopia
    9 Sep 1947 a
Fiji
  1 Nov 1971
 
Finland
  3 Feb 1948
 
France
 10 Oct 1947
 
Germany 5
12 Aug 1959
 
Ghana
    7 Apr 1958 d
Greece
 21 Feb 1949
 
Haiti
 31 May 1951
 
Honduras
 11 Dec 1946
 
Hungary
 16 Dec 1955
 
India
 11 Dec 1946
 
Indonesia
    3 Apr 1958 a
Iraq
 14 Sep 1950
 
Ireland
 18 Feb 1948
 
Israel
   16 May 1952 a
Italy
 25 Mar 1948
 
Jamaica
   26 Dec 1963 d
Japan
 27 Mar 1952
 
Jordan
    7 May 1958 a
Lao People's Democratic Republic
    7 Oct 1950 d
Lebanon
 13 Dec 1946
 
Lesotho
    4 Nov 1974 d
Liechtenstein 6
25 Sep 1947
 
Luxembourg
 13 Oct 1949
 
Malawi
   22 Jul 1965 d
Malaysia
   21 Aug 1958 d
Mauritius
   18 Jul 1969 d
Monaco
 21 Nov 1947
 
Morocco
    7 Nov 1956 d
Netherlands (Kingdom of the)
 10 Mar 1948
 
New Zealand 7
11 Dec 1946
 
Niger
   25 Aug 1961 d
Nigeria
   26 Jun 1961 d
Norway
  2 Jul 1947
 
Papua New Guinea
   28 Oct 1980 d
Philippines
 17 May 1950
 
Poland
 11 Dec 1946
 
Romania
 11 Oct 1961
 
Russian Federation
 25 Oct 1947
 
Rwanda
    5 Aug 1964 d
Senegal
    2 May 1963 d
Serbia
   31 Jul 2002 d
Sierra Leone
   13 Mar 1962 d
Slovakia 4
  28 May 1993 d
South Africa
 24 Feb 1948
 
Spain
 26 Sep 1955
 
Sri Lanka
    4 Dec 1957 d
Sweden
 17 Oct 1947
 
Switzerland 6
25 Sep 1947
 
Syrian Arab Republic
 11 Dec 1946
 
Thailand
 27 Oct 1947
 
Togo
   27 Feb 1962 d
Trinidad and Tobago
   11 Apr 1966 d
Türkiye
 11 Dec 1946
 
Uganda
   20 Oct 1965 a
United Kingdom of Great Britain and Northern Ireland
 11 Dec 1946
 
Zambia
    9 Apr 1973 d
End Note
1The Convention was amended by the Protocol signed at Lake Success, New York, on 11 December 1946.
2The Republic of Viet-Nam had succeeded to the Convention on 11 August 1950.

By joint notifications received from the Governments of France and Viet-Nam on 11 August 1950; from the Governments of France and Laos, on 7 October 1950; and from the Governments of France and Cambodia on 3 October 1951, notice was given of the transfer of functions by the French Government to the Government of the Republic of Viet-Nam, Laos and Cambodia of the duties and obligations arising from the application of the Convention in these countries. It should be noted that the Republic of Viet-Nam succeeded to the Convention on 11 August 1950.  See also note 1 under “Viet Nam” in the “Historical Information” section in the front matter of this volume.
3The former Yugoslavia had accepted the Protocol on 19 May 1948. See also note 1 under "Bosnia and Herzegovina", "Croatia", "former Yugoslavia", "Slovenia", "The Former Yugoslav Republic of Macedonia" and "Yugoslavia" in the "Historical Information" section in the front matter of this volume.
4Czechoslovakia, by virtue of its definitive signature on 11 December 1946 of the Protocol of 11 December 1946 amending the Convention of 1925, became a party to the Convention on the date of that signature.  See also note 1 under “Czech Republic” and note 1 under “Slovakia” in the “Historical Information” section in the front matter of this volume.
5See note 2 under “Germany” in the “Historical Information” section in the front matter of this volume.
6With a declaration of application to the Principality of Liechtenstein.
7See note 1 under "New Zealand" regarding Tokelau in the "Historical Information" section in the front matter of this volume.
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