Exchange of notes between the government of the United Kingdom of Great Britain and Northern Ireland and the government of the Portuguese Republic with regard to the Northern Rhodesia-Angola frontier : Lisbon, October 21, 1964 (with exchange of notes between the United Kingdom and South Africa

Eitemau Tebyg

• Exchange of letters between the Government of the United Kingdom of Great Britain and Northern Ireland and the Government of Ceylon relating to the United Kingdom service establishments in Ceylon
  Cyhoeddwyd: (1957)
• Agreements between the government of the United Kingdom of Great Britain and Northern Ireland, on their own behalf and on behalf of the government of the Federation of Rhodesia and Nyasaland, and the government of Portugal with regard to the Northern Rhodesia-Angola frontier (with annexes) : and with regard to certain Angolan and Northern Rhodesian natives living on the Kwando River (with exchange of notes and further note from the Portuguese government) : Lisbon, November 18, 1954
  Cyhoeddwyd: (1955)
• Exchange of notes between the government of the United Kingdom of Great Britain and Northern Ireland and the government of Ceylon further amending the Air services agreement of 1949 : London, 26 January 1972 (the exchange of notes entered into force on 26 January 1972)
  Cyhoeddwyd: (1972)
• Exchange of notes between the government of the United Kingdom of Great Britain and Northern Ireland and the government of the French Republic amending the provisions of the protocol of 6 August 1914 as regards the composition of certain courts in the New Hebrides : London, 10 November 1976 (the Exchange of notes entered into force on 10 November 1976)
  Cyhoeddwyd: (1977)
• Exchange of notes between the government of the United Kingdom of Great Britain and Northern Ireland and the government of the French Republic concerning the establishment of regions in the New Hebrides : Paris, 23 October 1979 (the agreement entered into force on 23 October 1979)
  Cyhoeddwyd: (1980)