This portfolio was created by Statute 3, George VI, c. 3, assented to September 13, 1939 and proclaimed in force April 9, 1940.
The offices of Minister of Munitions and Supply and Minister of Reconstruction were abolished and the office of Minister of Reconstruction and Supply was created by Statute 9-10 George VI, c. 16, assented to December 18, 1945. The section of the Act creating the office was proclaimed in force January 1, 1946.