Argentina
(Apr 18th, 1946)
Austria
(Nov 25th, 1927)
Belgium
(Aug 24th, 1927)
Does not apply to the Belgian Congo or to the territory of Ruanda-Urundi under Belgian mandate.
(Dec 17th, 1941 a)
Bolivia
(Apr 15th, 1932 a)
1. Bolivia does not undertake to restrict the home cultivation or production of coca, or to prohibit the use of coca leaves by the native population.
2. The exportation of coca leaves shall be subject to control by the Bolivian Government, by means of export certificates.
3. The Bolivian Government designates the following as places from which coca may be exported: Villazon, Yacuiba, Antofagasta, Arica and Mollendo.
Brazil
(Jun 10th, 1932)
British Empire
(Feb 17th, 1926)
His Britannic Majesty's ratification shall not be deemed to apply in the case of the Dominion of Canada or the Irish Free State and, in pursuance of the power reserved in Article 39 of the Convention, the instrument shall not be deemed to apply in the case of the Colony of the Bahamas or the State of Sarawak under His Britannic Majesty's protection.
State of Sarawak
(Mar 11th, 1926 a)
Bahamas
(Oct 22nd, 1926 a)
Burma2
Canada
(Jun 27th, 1928)
Australia
New Zealand
Including the mandated territory of Western Samoa
Union of South Africa
Ireland
(Sep 1st, 1931)
India
Iraq
(Aug 8th, 1931 a)
Bulgaria
(Mar 9th, 1927)
Chile
(Apr 11th, 1933)
Colombia
(Dec 3rd, 1930 a)
Costa Rica
(Jan 8th, 1935 a)
Cuba
(Jul 6th, 1931)
Czechoslovakia3
(Apr 11th, 1927)
Denmark
(Apr 23rd, 1930)
Dominican Republic
(Jul 19th, 1928 a)
Ecuador
(Oct 23rd, 1934 a)
Egypt
(Mar 16th, 1926 a)
Estonia
(Aug 30th, 1930 a)
Finland
(Dec 5th, 1927 a)
France
(Jul 2nd, 1927)
The French Government is compelled to make all reservations, as regards the Colonies, Protectorates and mandated territories under its authority, as to the possibility of regularly producing, within the strictly prescribed time-limit, the quarterly statistics provided for in paragraph 2 of Article 22.
Germany
(Aug 15th, 1929)
Subject to the reservation annexed to the Procès-verbal of the plenary meeting of February 16th, 1925. (The validity of the signature and ratification of this Convention are subject to the condition that a German expert will be appointed as a member of the Central Board.)
Greece
(Dec 10th, 1929)
Haiti
(Nov 30th, 1938 a)
Hungary
(Aug 27th, 1930)
Honduras
(Sep 21st, 1934 a)
Italy
(Dec 11th, 1929 a)
(for the Kingdom and Colonies)
Japan
(Oct 10th, 1928)
Latvia
(Oct 31st, 1928)
Liechtenstein4
Lithuania
(Feb 13th, 1931 a)
Luxembourg
(Mar 27th, 1928)
Monaco
(Feb 9th, 1927 a)
Netherlands
(Jun 4th, 1928)
(including Netherlands Indies, Surinam and Curaçao )
Norway
(Mar 16th, 1931 a)
New Hebrides
(Dec 27th, 1927 a)
Paraguay
(Jun 25th, 1941 a)
Poland
(Jun 16th, 1927)
Portugal
(Sep 13th, 1926)
Romania
(May 18th, 1928 a)
Salvador
(Dec 2nd, 1926 a)
San Marino
(Apr 21st, 1926 a)
Spain
(Jun 22nd, 1928)
Includes also the Spanish Colonies and the Spanish Protectorate of Morocco
Sudan
(Feb 20th, 1926)
Sweden
(Dec 6th, 1930 a)
Switzerland4
(Apr 3rd, 1929)
With reference to the declaration made by the Swiss delegation at the 36th plenary meeting of the Conference concerning the forwarding of the quarterly statistics provided for in Article 22, paragraph 2.
Thailand
(Oct 11th, 1929)
Turkey
(Apr 3rd, 1933 a)
Union of Soviet Socialist Republics
(Oct 31st, 1935 a)
Uruguay
(Sep 11th, 1930)
Venezuela
(Jun 19th, 1929 a)
Yugoslavia (former)5
(Sep 4th, 1929)
Albania
Iran
Ad referendum and subject to the League of Nations complying with the request made by Iran in the Memorandum O.D.C.24.
Nicaragua