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STATUS AS AT : 30-05-2016 05:00:53 EDT
9 . Agreement concerning the Suppression of Opium Smoking
Bangkok, 27 November 1931 and Lake Success, New York, 11 December 1946 1
Entry into force
27 October 1947, the date on which the amendments to the Agreement, 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 :
22 April 1937, No. 4100
Text :
League of Nations, Treaty Series, vol. 177, p. 375.

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 Agreement. See chapter VI.18.
Participant 2
Definitive signature of the Protocol, Acceptance of the Protocol, Notification in respect of the Agreement as amended(d)
Cambodia 2
 3 Oct 1951 d
10 Oct 1947
11 Dec 1946
27 Mar 1952
Lao People's Democratic Republic 2
 7 Oct 1950 d
10 Mar 1948
27 Oct 1947
United Kingdom of Great Britain and Northern Ireland
11 Dec 1946
End Note
1.The Agreement was amended by the Protocol signed at Lake Success, New York, on 11 December 1946.
2.The Republic of Viet-Nam had succeeded to the Agreement 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.