11/01/1951
https://www.presidency.ucsb.edu...
"This order shall become effective as of September 1, 1947."
"This order shall become effective as of July 1, 1947, and shall be published in the Federal Register."
"The recent declines in certain prices in the commodity markets cannot be regarded as a valid reason for failing to continue and strengthen rent control."
"The acute shortage of rental housing makes it imperative to continue emergency rent control."