Exchange of notes between the Government of the United Kingdom of Great Britain and Northern Ireland and the Government of Malawi further amending the British Expatriates Supplementation (Malawi) (Continuance) Agreement 1971/76 (The British Expatriates Supplementation (Malawi) (Continuance) Agreement 1971/76 (Third Amendment) 1977), Lilongwe, 18 August 1977 ..