Communist Control Act of 1954

The Communist Control Act (68 Stat. 775, 50 U.S.C. 841-844) is a piece of United States federal legislation, signed into law by President Dwight Eisenhower on 24 August 1954, which outlawed the Communist Party of the United States and criminalized membership in, or support for the Party or "Communist-action" organizations and defined evidence to be considered by a jury in determining participation in the activities, planning, actions, objectives, or purposes of such organizations.