| 30 November 1920 |
|
Universal Postal Convention (Revision of Convention of May 26, 1906) |
| 16 December 1920 |
|
Protocol Establishing the Permanent Court of International Justice |
| 20 April 1921 |
31 October 1922 |
Convention and Statute on the Regime of Navigable Waterways of International Concern |
| 20 April 1921 |
31 October 1922 |
Convention and Statute on Freedom of Transit |
| 20 April 1921 |
|
Declaration recognising the Right to a Flag of States having no Sea-Coast |
| 30 September 1921 |
|
International Convention for the Suppression of the Traffic in Women and Children |
| 20 October 1921 |
|
Convention respecting the Non-Fortification and Neutralisation of the Aaland Islands |
| 13 December 1921 |
17 August 1923 |
Treaty between the British Empire, France, Japan, and the United States of America relating to Their Insular Possessions and Insular Dominions in the Pacific Ocean, and accompanying Declaration, together with Treaty Supplementary to the above Treaty and Identic Communication to Netherlands and Portuguese Governments respecting the above Treaty. |
| 6 February 1922 |
17 August 1923 |
Treaty between the British Empire, France, Italy, Japan and the United States of America for the Limitation of Naval Armament |
| 6 February 1922 |
17 August 1923 |
Treaty between the British Empire, France, Japan and the United States of America, supplementary to the Quadruple Pacific Treaty of the 13th December, 1921. |
| 6 February 1922 |
5 August 1925 |
Treaty between the United States of America, Belgium, the British Empire, China, France, Italy, Japan, the Netherlands and Portugal relating to the Chinese Customs Tariff |
| 6 February 1922 |
|
Treaty concerning the Protection of neutrals and non-combatants in naval warfare and the prevention of the use of poisonous gas and chemicals |
| 6 February 1922 |
|
Treaty between the United States of America, Belgium, the British Empire, China, France, Italy, Japan, the Netherlands and Portugal relating to Principles and Policies to be followed in Matters concerning China |
| 21 March 1923 |
|
Protocol recording the Arrangements for Reparation Payments by Bulgaria. |
| 3 May 1923 |
|
Convention relative to the Cession of German Public Property situated in Danzig, and also to the Transfer of a Part of this Property to the Harbour Board of the Free City |
| 14 June 1923 |
4 June 1934 |
Protocol of an Amendment to Article 393 of the Treaty of Versailles and the corresponding Articles of the other Treaties of Peace |
| 24 July 1923 |
6 August 1924 |
Convention relating to the Regime of the Straits |
| 24 July 1923 |
6 August 1924 |
Protocol relating to the Treaty concluded at Sevres between the Principal Allied Powers and Greece on the 10th August, 1920, concerning the Protection of Minorities in Greece, and to the Treaty concluded on the same day between the same Powers relating to Thrace. |
| 24 July 1923 |
6 August 1924 |
Treaty of Peace with Turkey, and Other Instruments, together with Agreements between Greece and Turkey signed on January 30, 1923, and Subsidiary Documents forming part of the Turkish Peace Settlement. [With Map.] |
| 24 July 1923 |
6 August 1924 |
Convention respecting the Thracian Frontier |
| 24 July 1923 |
|
Protocol relating to the Karagatch Territory and the Islands of Imbros and Tenedos, signed by the British Empire, France, Italy, Japan, Greece and Turkey. |
| 24 July 1923 |
|
Protocol relating to Certain Concessions granted in the Ottoman Empire. |
| 24 July 1923 |
|
Declaration and Protocol of Amnesty |
| 24 July 1923 |
|
Convention regarding compensation payable by Greece to Allied nationals |
| 24 July 1923 |
|
Convention respecting Conditions of Residence and Business and Jurisdiction |
| 24 July 1923 |
|
Commercial Convention [Part of 1923 Turkish Peace Settlement] |
| 24 July 1923 |
|
Protocol relating to Signature by the Serb-Croat-Slovene State. |
| 24 July 1923 |
|
Protocol relating to the Accession of Belgium and Portugal to certain Provisions of Instruments signed at Lausanne. |
| 12 September 1923 |
7 August 1924 |
International Convention for the Suppression of the Circulation of and Traffic in Obscene Publications |
| 24 September 1923 |
28 July 1924 |
Protocol on Arbitration Clauses |
| 31 October 1923 |
|
Proces-Verbal concerning the Delimitation of Frontier between the Austrian Republic and the Kingdom of Serbs, Croats and Slovenes |
| 3 November 1923 |
27 November 1924 |
International Convention relating to the Simplification of Customs Formalities and Protocol of Signature |
| 3 November 1923 |
|
Final Act of the International Conference on Customs and Similar Formalities |
| 23 November 1923 |
6 August 1924 |
Protocol permitting Roumania to sign the Convention relative to the Assessment and Reparation of Damage suffered in Turkey by the Nationals of the Contracting Powers, so long as the Treaty of Peace with Turkey, dated 24 July 1923, shall not have come into force. |
| 23 November 1923 |
|
Convention between the United Kingdom, France, Italy and Japan relative to The Assessment and Reparation of Damage suffered in Turkey by the Nationals of the Contracting Powers together with Protocol providing for Signature by Roumania and Protocol 01:08:1928 Permitting Roumania to sign the above Protocol before 1 October 1928 |
| 9 December 1923 |
23 March 1926 |
Convention and Statute on the International Regime of Railways and Protocol of Signature |
| 9 December 1923 |
26 July 1926 |
Convention and Statute on the International Regime of Maritime Ports and Protocol of Signature |
| 9 December 1923 |
26 July 1926 |
Convention relative to the Transmission in Transit of Electric Power and Protocol of Signature |
| 9 December 1923 |
|
Convention relative to the Development of Hydraulic Power affecting more than one State and Protocol of Signature. |
| 28 March 1924 |
|
Protocol recording the Arrangements for the Recovery of the Cost of the Armies of Occupation in Bulgaria. |
| 8 May 1924 |
|
Convention between the British Empire, France, Italy, Japan and Lithuania respecting the Memel Territory and the Statute of the Memel Territory. |
| 28 August 1924 |
1 October 1925 |
Convention and Protocol revising Universal Postal Convention of November 30, 1920 |
| 30 August 1924 |
|
The Allied Governments and the German Government to carry out the Experts' Plan of April 9, 1924 |
| 30 August 1924 |
|
The Inter-Allied Agreement to carry out the Experts' Plan of April 9, 1924 |
| 30 August 1924 |
|
The Allied Governments and the German Government concerning the Agreement of August 9, 1924, between the German Government and the Reparation Commission |
| 11 February 1925 |
28 July 1926 |
Agreement concerning the Manufacture of, the Internal Trade in, and the Use of Prepared Opium with Protocol and Final Act |
| 19 February 1925 |
25 September 1928 |
International Convention relating to Dangerous Drugs with Protocol |
| 17 June 1925 |
8 February 1928 |
Protocol for the Prohibition of the Use in War of Asphyxiating, Poisonous or other Gases, and of Bacteriological Methods of Warfare |
| 17 June 1925 |
|
Convention respecting the Suppression of Trade in Arms, Ammunitions etc.. |
| 7 January 1927 |
|
Protocol Correcting the Convention relating to the Cession for German Public Property situated in Danzig, and also to the Transfer of a Part of this Property to the Harbour Board of the Free City |
| 1 August 1928 |
|
Protocol permitting Roumania to sign under the Protocol, signed at Paris on 23.11.1923, permitting Roumania to sign the Convention relative to the Assessment and Reparation of Damage suffered in Turkey by the Nationals of the Contracting Powers, before 01.10.1928. |
| 15 February 1930 |
|
Protocol Memel Territory - Settlement of Expenditure connected with Occupation |