Exchange of notes between the government of the United Kingdom of Great Britain and Northern Ireland and the government of Malaysia concerning officers designated by the government of the United Kingdom in the services of the government of Malaysia and the state governments of Sabah and Sarawak : (The Overseas Service (Malaysia) Agreement 1971) Kuala Lumpur, 31 March 1971 (the agreement entered into force on 1 April 1971) (Cmnd, 1972)