---
kind: "unit"
title: "31"
title_heading: "Money and Finance: Treasury"
key: "subtA/part2"
level: "part"
label: "Part 2"
heading: "National Security Information"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/31/subtA-part2"
sections_count: 2
---

# Part 2 — National Security Information

Title 31 C.F.R. — Money and Finance: Treasury › Subtitle A — Office of the Secretary of the Treasury

## Sections

- [§2.1. Processing of mandatory declassification review requests.](/cfr/31/2.1.md)
- [§2.2. Access to classified information by historical researchers, former Treasury Presidential and Vice Presidential appointees, and former Presidents and Vice Presidents.](/cfr/31/2.2.md)