Legal Dictionary of Pakistan

McCarran Act

A federal law requiring, among other things, members of the Communist party to register with the Attorney General and requiring Communist organizations to provide the government with a list of its members. ( The Act was passed during the Cold War but was later repealed in response to a U.S. Supreme Court decision declaring portions of the Act unconstitutional. - Also termed McCarran Internal Security Act; Subversive Activities Control Act of 1950.