In 1942, the bureau system was adopted, and, beginning with General Affairs and Defense, nine bureaus, two departments, one room, fifty-two sections, and one place were established, and in December, they were changed into a wartime regime according to the plan of the Government for simplification of the public administration.
1942年局制を採用、総務、防衛など九局二部一室五十二課一場とし、12月には政府の行政簡素化の方針沿って戦時体制に移行。