Agreement concerning the Suppression of Opium Smoking

Signed at Bangkok on 27 November 1931 and amended by the Protocol signed at Lake Success, New York, on 11 December 1946

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.

Participant1

Definitive signature or acceptance of the Protocol of 11 December 1946, notification (d) in respect of the Agreement as amended

Cambodia1 3 Oct 1951 d

France 10 Oct 1947

India 11 Dec 1946

Japan 27 Mar 1952

Lao People's Democratic Republic 1 7 Oct 1950 d

Netherlands 10 Mar 1948

Thailand 27 Oct 1947

United Kingdom 11 Dec 1946

Notes:

1 The Republic of Viet-Nam had succeeded to the Agreement on 11 August 1950. In this regard and in regard to the successions by Cambodia and the Lao People's Democratic Republic, see note in chapter VI.2.