in this paragraph shall be construed as an exclusive definition of affiliation.
(18) "Advocating the economic, international, and governmental doctrines of world communism" means advocating the establishment of a totalitarian Communist dictatorship in any or all of the countries of the world through the medium of an internationally coordinated Communist movement.
(19) "Advocating the economic and governmental doctrines of any other form of totalitarianism" means advocating the establishment of totalitarianism (other than world communism) and includes, but is not limited to, advocating the economic and governmental doctrines of fascism and nazism .
CERTAIN PROHIBITED ACTS
Conspiring to establish totalitarian dictatorship.Sec. 4. (a) It shall be unlawful for any person knowingly to combine, conspire, or agree with any other person to perform any act which would substantially contribute to the establishment within the United States of a totalitarian dictatorship, as defined in paragraph (15) of section 3Ante, p. 990. of this title, the direction and control of which is to be vested in, or exercised by or' under the domination or control of, any foreign government, foreign organization, or foreign individual:
Provided, however, That this subsection shall not apply to the proposal of a constitutional amendment.
Communication of classified information.(b) It shall be unlawful for any officer or employee of the United States or of any department or agency thereof, or of any corporation the stock of which is owned in whole or in major part by the United States or any department or agency thereof, to communicate in any manner or by any means, to any other person whom such officer or employee knows or has reason to believe to be an agent or representative of any foreign government or an officer or member of any Communist organization as defined in paragraph (5) of section 3Ante, p. 990. of this title, any information of a kind which shall have been classified by the President (or by the head of any such department, agency, or corporation with the approval of the President) as affecting the security of the United States, knowing or having reason to know that such information has been so classified, unless such officer or employees shall have been specifically authorized by the President, or by the head of the department, agency, or corporation by which this officer or employee is employed, to make such disclosure of such information.
Receipt of classified information.(c) It shall be unlawful for any agent or representative of any foreign government, or any officer or member of any Communist organization as defined in paragraph (5) of section 3Ante, p. 990. of this title, knowingly to obtain or receive, or attempt to obtain or receive, directly or indirectly, from any officer or employee of the United States or of any department or agency thereof or of any corporation the stock of which is owned in whole or in major part by the United States or any department or agency thereof, any information of a kind which shall have been classified by the President (or by the head of any such department, agency, or corporation with the approval of the President) as affecting the security of the United States, unless special authorization for such communication shall first have been obtained from the head of the department, agency, or corporation having custody of or control over such information.
Penalty.(d) Any person who violates any provision of this section shall, upon conviction thereof, be punished by a fine of not more than $10,000, or imprisonment for not more than ten years, or by both such fine and such imprisonment, and shall, moreover, be thereafter ineligible to hold