- SUBCHAPTER I—CONTROL OF SUBVERSIVE ACTIVITIES (§§ 781 – 798)
- SUBCHAPTER II—EMERGENCY DETENTION OF SUSPECTED SECURITY RISKS (§ 811)
- SUBCHAPTER III—PERSONNEL SECURITY PROCEDURES IN NATIONAL SECURITY AGENCY (§§ 831 – 835)
- SUBCHAPTER IV—COMMUNIST CONTROL (§§ 841 – 844)
- SUBCHAPTER V—REGISTRATION OF CERTAIN PERSONS TRAINED IN FOREIGN ESPIONAGE SYSTEMS (§§ 851 – 858)
50 U.S. Code Chapter 23 - INTERNAL SECURITY
Application of subchapters I and II of this chapter and other provisions of the Internal Security Act of 1950, as amended, to members of the Communist Party and other subversive organizations, see section 843 of this title, and References in Text note set out under that section.