12/10/1947
https://www.presidency.ucsb.edu...
"I, Harry S. Truman, President of the United States of America, under and by virtue of the authority vested in me by the aforesaid act of July 17, 1946, do find and proclaim that with respect to trade-..."
"Each registrant between the ages of 19 and 26 will be considered as available for military service until his status in a deferred or exempt classification is clearly established to the satisfaction of..."
"This order shall become effective as of midnight, September 30, 1948."
"The National Board shall be in all respects independent of the Director of Selective Service"