| International Radiotelegraph Convention |
Signature
|
5 July 1912 |
|
| International Radiotelegraph Convention |
Ratification
|
21 February 1913 |
|
| International Sugar Agreement of 1958 |
Extension
|
1 January 1959 |
|
| Universal Postal Convention [together with Final Protocol, Detailed Regulations and Annexes, Provisions concerning Air Mail with their Final Protocol and Annexes] |
Extension
|
1 April 1959 |
|
| Constitution of the Universal Postal Union [with Final Protocol, General Regulations and Final Protocol thereto] |
Extension
|
22 April 1966 |
|
| Universal Postal Convention |
Extension
|
22 April 1967 |
|
| Constitution of the Universal Postal Union [with Final Protocol, General Regulations and Final Protocol thereto] |
Declaration
|
30 December 1976 |
1 January 1978 |
| Constitution of the Universal Postal Union [with Final Protocol, General Regulations and Final Protocol thereto] |
Denunciation
|
30 December 1976 |
1 January 1978 |