| Convention and Protocol revising Universal Postal Convention of November 30, 1920 |
Extension
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3 October 1925 |
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| Convention between His Majesty and the President of the German Reich regarding Legal Proceedings in Civil and Commercial Matters |
Extension
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25 November 1929 |
25 November 1929 |
| Treaty of Commerce and Navigation between His Majesty, in respect of the United Kingdom, and His Majesty the King of Roumania with Protocol, Protocol of signature and Exchange of Notes |
Accession
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12 May 1931 |
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| International Convention for the Protection of Literary and Artistic Works |
Extension
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1 October 1931 |
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| Convention between His Majesty in respect of the United Kingdom and the President of Finland regarding Legal Proceedings in Civil and Commercial Matters |
Extension
|
4 June 1935 |
4 June 1935 |
| International Convention on Stamp Laws in connexion with Cheques (With Protocol) |
Extension
|
7 September 1938 |
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| International Convention concerning the Use of Broadcasting in the Cause of Peace |
Extension
|
14 July 1939 |
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| Convention concerning the Status of Refugees coming from Germany |
Extension
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30 May 1940 |
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| Protocol regarding Status of Refugees from Germany additional to Arrangement of July 4, 1936 and Convention of February 10, 1938 |
Extension
|
30 May 1940 |
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| Convention and Final Protocol regarding the Universal Postal Union (with Regulations and Airmail Provisions) |
Extension
|
22 October 1941 |
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| Wheat Agreement |
Extension
|
6 March 1948 |
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| Agreement on the Importation of Educational Scientific and Cultural Materials |
Extension
|
11 March 1954 |
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| Universal Postal Convention [together with Final Protocol, Detailed Regulations and Annexes, Provisions concerning Air Mail with their Final Protocol and Annexes] |
Extension
|
23 June 1960 |
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| Exchange of Notes between the Government of the United Kingdom of Great Britain and Northern Ireland and the Government of the United States of America concerning the Establishment on Ascension Island of an Additional Facility to be operated for the United States National Aeronautics and Space Administration |
Extension
|
7 July 1965 |
7 July 1965 |
| Protocol to amend the Convention for the Unification of Certain Rules relating to International Carriage by Air signed at Warsaw on 12 October 1929 |
Extension
|
3 March 1967 |
1 June 1967 |
| Exchange of Notes between Canada and the United States of America regarding Defence Installations and Facilities |
Extension
|
18 November 1980 |
19 December 1980 |
| Exchange of Notes between Jamaica and the United States of America concerning Employment of Agricultural Workers - approved by Memorandum of Understanding |
Extension
|
25 March 1985 |
25 March 1985 |
| Memorandum of Agreement modifying the Annex to the Agreement signed at London on 13 August 1946 between the Government of the United Kingdom of Great Britain and Northern Ireland and the Government of the Netherlands for certain Air Services |
Extension
|
1 January 1986 |
|
| Exchange of Notes between the Government of the United Kingdom of Great Britain and Northern Ireland and the Government of the United States of America concerning the use of the Airfield at Wideawake in Ascension Island by aircraft of the Royal Air Force |
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| Exchange of Notes between the Government of the United Kingdom of Great Britain and Northern Ireland and the Government of the United States of America concerning the Practical Application of the Agreement of June 25, 1956 for the Addition to the Bahamas Long Range Proving Ground of Sites in Ascension Island |
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| Agreement between the Government of the United Kingdom of Great Britain and Northern Ireland and the Government of the United States of America Concerning the Extension of the Bahamas Long Range Proving Ground by the Establishment of Additional Sites in Ascension Island |
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