06/04/1956
https://www.presidency.ucsb.edu...
"This order shall become effective on September 24, 1956."
"The administration of the national-security clause contained in such contracts of sale, including any contract of sale made under the act of March 31, 1955, or under the said act of March 21, 1956, sh..."
"I just think there is very little use guessing"
"I believe in the exchange of information, exchange of visitors of all kinds"