| The International Opium Convention and Subsequent Relative Papers |
Accession
|
17 December 1912 |
|
| Accession of States of Johore, Kedah, Perlis, Kelantan and Trengganu to Extradition Treaty between the United Kingdom and Siam of March 4, 1911 |
Accession
|
28 October 1916 |
|
| Convention and Protocol revising Universal Postal Convention of November 30, 1920 |
Extension
|
1 July 1928 |
|
| Postal Union Agreement regarding Insured Letters and Boxes |
Extension
|
20 July 1931 |
|
| Extradition Treaty between His Majesty in respect of the United Kingdom and His Majesty the King of Iraq |
Extension
|
13 August 1934 |
|
| Treaty between the United Kingdom and Finland for the Extradition of Criminals |
Extension
|
19 October 1934 |
|