| 19 November 1965 |
1 December 1965 |
Exchange of Notes between the Government of the United Kingdom of Great Britain and Northern Ireland and the Government of the French Republic extending the Convention on Social Security, signed at Paris on 10 July 1956, to the Islands of Guernsey, Alderney, Herm and Jethou |
| 7 June 1967 |
1 July 1967 |
Exchange of Notes between the Government of the United Kingdom of Great Britain and Northern Ireland and the Government of the Italian Republic extending the Convention on Social Insurance, signed at Rome on 28 November 1951, to the Islands of Guernsey, Alderney, Herm and Jethou |
| 21 February 1968 |
1 April 1969 |
Convention on Social Security between the Government of the United Kingdom of Great Britain and Northern and Switzerland (with Final Protocol) |