The BMA was established on 15 August 1945 by Proclamation No 1 of the Supreme Allied Commander of Southeast Asia. The BMA assumed full judicial, legislative, executive and administrative powers and responsibilities and conclusive jurisdiction over all persons and property throughout Malaya including Singapore. Admiral Lord Louis Mountbatten became the Director of the Administration in September 1945. Lieutenant General Philip Christison was appointed General Officer Commanding British forces in Malaya. Major-General Ralph Hone was given the post of Chief Civil Affairs Officer Malaya (CCAO(M)) responsible for the territory of Malaya. Further proclamations: