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Unclassified Controlled Nuclear Information - Defense DCNI

A CUI category in the Defense grouping of NARA's registry, CUI Basic or CUI Specified depending on the authority, marked CUI//SP-DCNI.

  • DCNI
  • CUI//SP-DCNI
  • Basic and Specified
  • Defense

NARA's description

CUI Registry · Unclassified Controlled Nuclear Information - Defense

Relating to Department of Defense special nuclear material (SNM), equipment, and facilities, as defined by 32 CFR 223.

Verbatim from the registry entry, which NARA last reviewed on May 8, 2025. Fetched 2026-09-08.

Markings

Category marking
DCNI
Banner, Specified authorities
CUI//SP-DCNI
Banner, Basic authorities
CUI
Alternative banner, Basic
CUI//DCNI

A banner reads CUI for Basic categories and CUI//SP-DCNI for Specified ones, followed by any limited dissemination control such as NOFORN. How the marking rule works, verbatim from 32 CFR 2002.20.

Authorities

The law, regulation or Government-wide policy that makes this information CUI, and whether it does so as a Basic or a Specified authority.

Safeguarding or dissemination authorityBasic or SpecifiedBannerSanctions
10 USC 128(a)BasicCUI—
32 CFR 223SpecifiedCUI//SP-DCNI—

Source: https://www.archives.gov/cui/registry/category-detail/ucni-dod.