---
kind: "unit"
title: "32"
title_heading: "National Defense"
key: "subtA/chI/subchF/part156"
level: "part"
label: "Part 156"
heading: "Department of Defense Personnel Security Program (psp)"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/32/subtA-chI-subchF-part156"
sections_count: 7
---

# Part 156 — Department of Defense Personnel Security Program (psp)

Title 32 C.F.R. — National Defense › Subtitle A — Department of Defense › Chapter I — Office of the Secretary of Defense › Subchapter F — Security

## Sections

- [§156.1. Purpose.](/cfr/32/156.1.md)
- [§156.2. Applicability.](/cfr/32/156.2.md)
- [§156.3. Policy.](/cfr/32/156.3.md)
- [§156.4. Responsibilities.](/cfr/32/156.4.md)
- [§156.5. National security positions.](/cfr/32/156.5.md)
- [§156.6. Common access card (CAC) investigation and adjudication.](/cfr/32/156.6.md)
- [§156.7. Definitions.](/cfr/32/156.7.md)