---
kind: "unit"
title: "49"
title_heading: "Transportation"
key: "subtB/chXII/subchB/part1520"
level: "part"
label: "Part 1520"
heading: "Protection of Sensitive Security Information"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/49/subtB-chXII-subchB-part1520"
sections_count: 10
---

# Part 1520 — Protection of Sensitive Security Information

Title 49 C.F.R. — Transportation › Subtitle B — Other Regulations Relating to Transportation › Chapter XII — Transportation Security Administration, Department of Homeland Security › Subchapter B — Security Rules for All Modes of Transportation

## Sections

- [§1520.1. Scope.](/cfr/49/1520.1.md)
- [§1520.3. Terms used in this part.](/cfr/49/1520.3.md)
- [§1520.5. Sensitive security information.](/cfr/49/1520.5.md)
- [§1520.7. Covered persons.](/cfr/49/1520.7.md)
- [§1520.9. Restrictions on the disclosure of SSI.](/cfr/49/1520.9.md)
- [§1520.11. Persons with a need to know.](/cfr/49/1520.11.md)
- [§1520.13. Marking SSI.](/cfr/49/1520.13.md)
- [§1520.15. SSI disclosed by TSA or the Coast Guard.](/cfr/49/1520.15.md)
- [§1520.17. Consequences of unauthorized disclosure of SSI.](/cfr/49/1520.17.md)
- [§1520.19. Destruction of SSI.](/cfr/49/1520.19.md)