---
kind: "unit"
title: "49"
title_heading: "Transportation"
key: "subtA/part15"
level: "part"
label: "Part 15"
heading: "Protection of Sensitive Security Information"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/49/subtA-part15"
sections_count: 10
---

# Part 15 — Protection of Sensitive Security Information

Title 49 C.F.R. — Transportation › Subtitle A — Office of the Secretary of Transportation

## Sections

- [§15.1. Scope.](/cfr/49/15.1.md)
- [§15.3. Terms used in this part.](/cfr/49/15.3.md)
- [§15.5. Sensitive security information.](/cfr/49/15.5.md)
- [§15.7. Covered persons.](/cfr/49/15.7.md)
- [§15.9. Restrictions on the disclosure of SSI.](/cfr/49/15.9.md)
- [§15.11. Persons with a need to know.](/cfr/49/15.11.md)
- [§15.13. Marking SSI.](/cfr/49/15.13.md)
- [§15.15. SSI disclosed by DOT.](/cfr/49/15.15.md)
- [§15.17. Consequences of unauthorized disclosure of SSI.](/cfr/49/15.17.md)
- [§15.19. Destruction of SSI.](/cfr/49/15.19.md)