09/07/1916
https://www.presidency.ucsb.edu...
"I hereby vest in the Postmaster General the executive administration of all the provisions."
"I further hereby vest in said War Trade Board the power and authority to issue, under such terms and conditions as are not inconsistent with law, or to withhold or refuse, licenses to trade either dir..."
"I hereby establish a War Trade Board"
"I hereby vest in the Secretary of State the executive administration of the provisions of subsection (b)."