After the breakdown of the ACC, the British, French and United States of America occupation zones and the British, French and United States of America sectors in Berlin were governed by the Allied High Commission with membership from Britain, France, and the United States, whilst the Soviet Zone and Soviet sector of Berlin were governed by the Chairman of the Soviet Control Commission, later the Soviet High Commissioner. The role of the High Commissioners ceased when the three western zones (other than Berlin) and the Soviet Zone (other than in Berlin) acquired "de facto" sovereignty as respectively the Federal Republic of Germany ('West Germany') and the German Democratic Republic ('East Germany') (subject to certain restrictions).