“16.12.60. Based on the powers bestowed under the Sugar Act of 1948, the President of the United States [Dwight D. Eisenhower] issued Presidential Proclamation 3383 (25 FR 13131) suspending the Cuban sugar quota for the first quarter of 1961.” [Pro Embargo]
“Dwight D. Eisenhower (R), Timeline,” Cuba versus Blockade: Cuban People’s website, 2007