| 3 October 1955 |
14 October 1955 |
Exchange of Notes between the Government of the United Kingdom of Great Britain and Northern Ireland and the Government of Vietnam for the Protection of Trade Marks |
| 24 December 1955 |
|
Note from Vietnamese Ministry of Foreign Affairs concerning Minimum Tariffs |
| 15 September 1964 |
15 September 1964 |
Exchange of Letters between the Government of the United Kingdom of Great Britain and Northern Ireland and the Government of Vietnam concerning an Arrangement for Air Services between and beyond Saigon and Hong Kong |
| 27 November 1968 |
27 November 1968 |
Exchange of Notes constituting an Understanding between the United Kingdom of Great Britain and Northern Ireland and the Government of Vietnam revising the Air Services Arrangement of 15 September 1964 for Air Services between and beyond Hong Kong and Saigon |