32 CFR § 2400.24 - Downgrading.
---
identifier: "/us/cfr/t32/s2400.24"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "32 CFR § 2400.24 - Downgrading."
title_number: 32
title_name: "National Defense"
section_number: "2400.24"
section_name: "Downgrading."
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"
---
# 2400.24 Downgrading.
(a) When it will serve a useful purpose, original classification authorities may, at the time of original classification, specify that downgrading of the assigned classification will occur on a specified date or upon the occurrence of a stated event.
(b) Classified information marked for automatic downgrading is downgraded accordingly without notification to holders.
(c) Classified information not marked for automatic downgrading may be assigned a lower classification designation by the originator or by an official authorized to declassify the same information. Prompt notice of such downgrading shall be provided to known holders of the information.