| 22 December 1952 |
1 January 1954 |
International Telecommunication Convention (with Annexes, Final Protocol and Additional Protocol) |
| 3 October 1957 |
1 April 1959 |
Universal Postal Convention [together with Final Protocol, Detailed Regulations and Annexes, Provisions concerning Air Mail with their Final Protocol and Annexes] |
| 15 November 1965 |
10 February 1969 |
Convention on the Service Abroad of Judicial and Extrajudicial Documents in Civil or Commercial Matters |
| 11 June 1968 |
5 September 1969 |
Customs Convention on the temporary Importation of Scientific Equipment |
| 14 November 1969 |
1 July 1971 |
Additional Protocol to the Constitution of the Universal Postal Union (with Declarations, General Regulations, Final Protocol and Rules of Procedure of Congresses) |
|
18 March 2007 |
Convention on the Protection and Promotion of the Diversity of Cultural Expressions |