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General Nuclear NUC

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

  • NUC
  • CUI//SP-NUC
  • Basic and Specified
  • Nuclear

NARA's description

CUI Registry · General Nuclear

Related to protection of information concerning nuclear reactors, materials, or security.

Verbatim from the registry entry, which NARA last reviewed on July 29, 2025. Fetched 2026-09-08.

Markings

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

A banner reads CUI for Basic categories and CUI//SP-NUC 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
42 USC 2077(a)SpecifiedCUI//SP-NUC
10 CFR 810.8BasicCUI10 CFR 810.15
42 USC 2156BasicCUI

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