Exchange of notes between the government of the United Kingdom of Great Britain and Northern Ireland and the government of Malawi concerning officers designated by the government of the United Kingdom in the service of the government of Malawi (the Overseas Service (Malawi) Agreement 1971) : Blantyre/Zomba, 11 January 1972 (the agreement is deemed to have entered into force on 1 April 1971) (Cmnd, 1972)