---
kind: "unit"
title: "32"
title_heading: "National Defense"
key: "subtB/chXX/part2001"
level: "part"
label: "Part 2001"
heading: "Classified National Security Information"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/32/subtB-chXX-part2001"
sections_count: 46
---

# Part 2001 — Classified National Security Information

Title 32 C.F.R. — National Defense › Subtitle B — Other Regulations Relating to National Defense › Chapter XX — Information Security Oversight Office, National Archives and Records Administration

## Contents

- [Subpart A — Scope of Part](/cfr/32/subtB-chXX-part2001-subpartA.md)
- [Subpart B — Classification](/cfr/32/subtB-chXX-part2001-subpartB.md)
- [Subpart C — Identification and Markings](/cfr/32/subtB-chXX-part2001-subpartC.md)
- [Subpart D — Declassification](/cfr/32/subtB-chXX-part2001-subpartD.md)
- [Subpart E — Safeguarding](/cfr/32/subtB-chXX-part2001-subpartE.md)
- [Subpart F — Self-Inspections](/cfr/32/subtB-chXX-part2001-subpartF.md)
- [Subpart G — Security Education and Training](/cfr/32/subtB-chXX-part2001-subpartG.md)
- [Subpart H — Standard Forms](/cfr/32/subtB-chXX-part2001-subpartH.md)
- [Subpart I — Reporting and Definitions](/cfr/32/subtB-chXX-part2001-subpartI.md)