01/13/1941
https://www.presidency.ucsb.edu...
"The Director may provide for the internal organization and management of the Office of Civilian Defense."
"The Director may provide for the internal organization and management of the Office of Defense Transportation."
"The Coordinator may provide for the internal organization and management of the Office of the Coordinator of Inter-American Affairs."
"The Director may provide for the internal organization and management of the Office of Scientific Research and Development and may appoint such advisory committees as he finds necessary to the perform..."