32 CFR § 2400.4 - Atomic Energy Material.

---
identifier: "/us/cfr/t32/s2400.4"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "32 CFR § 2400.4 - Atomic Energy Material."
title_number: 32
title_name: "National Defense"
section_number: "2400.4"
section_name: "Atomic Energy Material."
chapter_name: "OFFICE OF SCIENCE AND TECHNOLOGY POLICY"
part_number: "2400"
part_name: "REGULATIONS TO IMPLEMENT E.O. 12356; OFFICE OF SCIENCE AND TECHNOLOGY POLICY INFORMATION SECURITY PROGRAM"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "E.O. 12356 and Information Security Oversight Office Directive No. 1."
regulatory_source: "48 FR 10821, Mar. 15, 1983, unless otherwise noted."
cfr_part: "2400"
---


# 2400.4 Atomic Energy Material.

Nothing in this Regulation supersedes any requirement made by or under the Atomic Energy act of 1954, as amended. “Restricted Data” and information designated as “Formerly Restricted Data” shall be handled, protected, classified, downgraded, and declassified in conformity with the provisions of the Atomic Energy Act of 1954, as amended, and regulations issued pursuant thereto by the Department of Energy.