| 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.Belgian Congo and Mandated Territory of Ruanda-Urundi) |
(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 | (Feb 17th, 1926) |
| New Zealand | (Feb 17th, 1926) |
| Including the mandated territory of Western Samoa |
| Union of South Africa | (Feb 17th, 1926) |
| Ireland | (Sep 1st, 1931) |
| India | (Feb 17th, 1926) |
| 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) |
| Czechoslovakia 3 | (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 | (Sep 4th, 1929) |