---
kind: "unit"
title: "22"
title_heading: "Foreign Relations"
key: "chI/subchA/part9"
level: "part"
label: "Part 9"
heading: "Security Information Regulations"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/22/chI-subchA-part9"
sections_count: 16
---

# Part 9 — Security Information Regulations

Title 22 C.F.R. — Foreign Relations › Chapter I — Department of State › Subchapter A — General

## Sections

- [§9.1. Basis.](/cfr/22/9.1.md)
- [§9.2. Objective.](/cfr/22/9.2.md)
- [§9.3. Senior agency official.](/cfr/22/9.3.md)
- [§9.4. Original classification.](/cfr/22/9.4.md)
- [§9.5. Original classification authority.](/cfr/22/9.5.md)
- [§9.6. Derivative classification.](/cfr/22/9.6.md)
- [§9.7. Identification and marking.](/cfr/22/9.7.md)
- [§9.8. Classification challenges.](/cfr/22/9.8.md)
- [§9.9. Declassification and downgrading.](/cfr/22/9.9.md)
- [§9.10. Mandatory declassification review](/cfr/22/9.10.md)
- [§9.11. Systematic declassification review.](/cfr/22/9.11.md)
- [§9.12. Sharing other-agency classified information.](/cfr/22/9.12.md)
- [§9.13. Access to classified information by historical researchers and certain former government personnel.](/cfr/22/9.13.md)
- [§9.14. Pre-publication review of writings by former Department personnel.](/cfr/22/9.14.md)
- [§9.15. Assistance to the Historian's Office.](/cfr/22/9.15.md)
- [§9.16. Safeguarding.](/cfr/22/9.16.md)