| Entry into force: | 1 December 1949, in accordance with article 6. |
| Registration: | 1 December 1949, No. 688. |
| Status: | Signatories: 39 ,Parties: 89. |
| Text: | United Nations, Treaty Series, vol. 44, p. 277. |
Note: The Protocol was approved by the General Assembly of the United Nations in resolution 211 (III)1 of 8 October 1948.
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 Narocitc Drugs, 1961 of 8 August 1975, as between the parties thereto, terminates and replaces the provisions of the above Protocol. See chapter VI.18.|
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| Participant2 | Signature | Definitive signature (s), Acceptance (A), Succession (d) |
| Afghanistan | 19 Nov 1948 s | |
| Albania | 19 Nov 1948 | 25 Jul 1949 A |
| Argentina | 19 Nov 1948 | |
| Australia | 19 Nov 1948 s | |
| Austria | 17 May 1950 A | |
| Bahamas | 13 Aug 1975 d | |
| Belarus | 19 Nov 1948 s | |
| Belgium | 19 Nov 1948 | 21 Nov 1951 A |
| Benin | 5 Dec 1961 d | |
| Bolivia | 19 Nov 1948 | |
| Brazil | 19 Nov 1948 | 9 Dec 1959 A |
| Burkina Faso | 26 Apr 1963 A | |
| Cameroon | 20 Nov 1961 d | |
| Canada | 19 Nov 1948 s | |
| Central African Republic | 4 Sep 1962 d | |
| Chile | 19 Nov 1948 | |
| China3,4 | 19 Nov 1948 s | |
| Colombia | 19 Nov 1948 | |
| Congo | 15 Oct 1962 d | |
| Costa Rica | 19 Nov 1948 | |
| Côte d'Ivoire | 8 Dec 1961 d | |
| Cuba | 30 Jun 1961 A | |
| Czech Republic5 | 30 Dec 1993 d | |
| Democratic Republic of the Congo | 13 Aug 1962 d | |
| Denmark | 19 Nov 1948 | 19 Oct 1949 A |
| Dominican Republic | 19 Nov 1948 | 9 Jun 1958 A |
| Ecuador | 19 Nov 1948 | 30 Aug 1962 A |
| Egypt | 6 Dec 1948 | 16 Sep 1949 A |
| El Salvador | 19 Nov 1948 | 31 Dec 1959 A |
| Ethiopia | 5 May 1949 s | |
| Fiji | 1 Nov 1971 d | |
| Finland | 31 Oct 1949 A | |
| France | 19 Nov 1948 | 11 Jan 1949 A |
| Germany6,7 | 12 Aug 1959 A | |
| Ghana | 7 Apr 1958 d | |
| Greece | 7 Dec 1948 | 29 Jul 1952 A |
| Guatemala | 19 Nov 1948 | |
| Honduras | 19 Nov 1948 | |
| Hungary | 2 Jul 1957 A | |
| India | 19 Nov 1948 | 10 Nov 1950 A |
| Indonesia | 21 Feb 1951 A | |
| Iraq | 12 Jul 1949 | 27 Jul 1954 A |
| Ireland | 11 Aug 1952 A | |
| Israel | 16 May 1952 A | |
| Italy | 14 Mar 1949 s | |
| Jamaica | 26 Dec 1963 d | |
| Japan | 5 May 1952 A | |
| Jordan | 7 May 1958 A | |
| Lao People's Democratic Republic2 | 7 Oct 1950 d | |
| Lebanon | 19 Nov 1948 s | |
| Lesotho | 4 Nov 1974 d | |
| Liberia | 19 Nov 1948 | |
| Liechtenstein | 19 Nov 1948 | 24 May 1961 A |
| Luxembourg | 19 Nov 1948 | 17 Oct 1952 A |
| Malawi | 22 Jul 1965 d | |
| Malaysia | 21 Aug 1958 d | |
| Mauritius | 18 Jul 1969 d | |
| Mexico | 19 Nov 1948 s | |
| Monaco | 19 Nov 1948 s | |
| Montenegro8 | 23 Oct 2006 d | |
| Morocco | 7 Nov 1956 d | |
| Myanmar | 19 Nov 1948 | 2 Mar 1950 A |
| Netherlands | 19 Nov 1948 | 26 Sep 1950 A |
| New Zealand9 | 19 Nov 1948 s | |
| Nicaragua | 19 Nov 1948 | 13 Jan 1961 A |
| Niger | 25 Aug 1961 d | |
| Nigeria | 26 Jun 1961 d | |
| Norway | 19 Nov 1948 | 24 May 1949 A |
| Pakistan | 21 Nov 1948 | 27 Aug 1952 A |
| Panama | 19 Nov 1948 | |
| Papua New Guinea | 28 Oct 1980 d | |
| Paraguay | 19 Nov 1948 | 15 Aug 2001 A |
| Peru | 19 Nov 1948 | |
| Philippines | 10 Mar 1949 | 7 Dec 1953 A |
| Poland | 26 Jan 1949 s | |
| Romania | 19 Nov 1948 | 11 Oct 1961 A |
| Russian Federation | 19 Nov 1948 s | |
| Rwanda | 30 Apr 1964 d | |
| San Marino | 19 Nov 1948 | |
| Saudi Arabia | 19 Nov 1948 s | |
| Senegal | 2 May 1963 d | |
| Serbia11 | 12 Mar 2001 d | |
| Sierra Leone | 13 Mar 1962 d | |
| Slovakia5 | 28 May 1993 d | |
| South Africa | 8 Dec 1948 s | |
| Spain | 26 Sep 1955 s | |
| Sri Lanka | 17 Jan 1949 A | |
| Sweden | 3 Mar 1949 s | |
| Switzerland | 19 Nov 1948 | 18 Mar 1953 A |
| Togo | 27 Feb 1962 d | |
| Tonga | 5 Sep 1973 d | |
| Trinidad and Tobago | 11 Apr 1966 d | |
| Turkey | 19 Nov 1948 | 14 Jul 1950 A |
| Uganda | 15 Apr 1965 A | |
| Ukraine | 19 Nov 1948 | 7 May 1959 A |
| United Kingdom of Great Britain and Northern Ireland4 | 19 Nov 1948 s | |
| United Republic of Tanzania | 7 Oct 1964 A | |
| United States of America | 19 Nov 1948 | |
| Uruguay | 22 Nov 1948 | |
| Venezuela (Bolivarian Republic of) | 19 Nov 1948 | |
| Yemen10 | 12 Dec 1949 s | |
| Zambia | 9 Apr 1973 d | |
| Zimbabwe | 1 Dec 1998 d |
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| Participant: | Date of receipt of the notification: | Territories: |
| Australia | 19 Nov 1948 | All territories including the Trust Territories of New Guinea and Nauru |
| Belgium | 27 Jan 1953 | Belgian Congo and the Trust Territory of Ruanda-Urundi |
| Denmark | 19 Oct 1949 | Greenland |
| France | 15 Sep 1949 | Departments of Algeria, Overseas Departments (Guadeloupe, Guiana, Martinique, Réunion), Overseas Territories (French West Africa, French Equatorial Africa, French Somaliland, Madagascar and Dependencies, Comoro Islands, French Establishments in India, New Caledonia and Dependencies, French Establishments in Oceania, Saint-Pierre and Miquelon); Tunisia and Morocco (French zone of the Sherifian Empire); Trust Territories of Togoland and the Cameroons under French Administration |
| 25 Nov 1949 | Viet-Nam | |
| 28 Dec 1949 | Laos | |
| France/United Kingdom of Great Britain and Northern Ireland | 15 Sep 1949/ | The New Hebrides Archipelago under Anglo-French Condominium |
| 27 Feb 1950 | ||
| Italy | 12 Mar 1954 | Somaliland |
| Netherlands | 14 Aug 1952 | Surinam, the Netherlands Antilles and Netherlands New Guinea |
| New Zealand | 19 Nov 1948 | All the territories, including the Trust Territory of Western Samoa |
| South Africa | 5 Oct 1954 | South West Africa |
| United Kingdom of Great Britain and Northern Ireland4 | 19 Nov 1948 | Aden, Bahamas, Barbados, Basutoland, Bechuanaland Protectorate, Bermuda, British Guiana, British Honduras, Brunei, Cyprus, Falkland Islands and Dependencies, Fiji, Gambia, Gibraltar, Gilbert and Ellice Islands, Gold Coast, Hong Kong, Jamaica, Kenya, Leeward Islands (Antigua, Montserrat, St. Christopher and Nevis, Virgin Islands), Malayan Federation, Malta, Mauritius, Newfoundland, Nigeria, North Borneo, Northern Rhodesia, Nyasaland Protectorate, Sarawak, Seychelles, Sierra Leone, Singapore, Solomon Islands Protectorate, Somaliland Protectorate, Southern Rhodesia, St. Helena, Tanganyika, Tonga, Trinidad, Uganda Protectorate, Windward Islands (Dominica, Grenada, St. Lucia, St. Vincent), Zanzibar Protectorate |
| United States of America | 11 Aug 1950 | All territories for the foreign relations of which it is responsible |
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1. Resolution 211 (III). Official Records of the General Assembly, Third Session, Part I, Resolutions (A/810), p. 62.
2. The Republic of Viet-Nam had succeeded to the Protocol 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.
3. See note concerning signature, ratifications, accessions, etc., on behalf of China (note 1 under "China" in the "Historical Information" section in the front matter of this volume).
4. See note 2 under "United Kingdom of Great Britain and Northern Ireland" regarding Hong Kong in the "Historical Information" section in the front matter of this volume.
5. Czechoslovakia had signed and ratified the Protocol on 19 November 1948 and 17 January 1950, respectively. See also note 1 under "Czech Republic" and note 1 under "Slovakia" in the "Historical Information" section in the front matter of this volume.
6. See note 2 under "Germany" in the "Historical Information" section in the front matter of this volume.
7. See note 1 under "Germany" regarding Berlin (West) in the "Historical Information" section in the front matter of this volume.
8. See note 1 under "Montenegro" in the "Historical Information" section in the front matter of this volume.
9. See note 1 under "New Zealand" regarding Tokelau in the "Historical Information" section in the front matter of this volume.
10. The formality was effected by the Yemen Arab Republic. See also note 1 under "Yemen" in the "Historical Information" section in the front matter of this volume.
11. The former Yugoslavia had signed and accepted the Protocol on 19 November 1948 and 10 June 1949, respectively. 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.