to move, Enter to open, Esc to close. Try 3.5.3, AC.L2-3.1.1, MFA or unmarked.

Nuclear Security-Related Information SRI

A CUI category in the Nuclear grouping of NARA's registry, CUI Specified, marked CUI//SP-SRI.

  • SRI
  • CUI//SP-SRI
  • Specified
  • Nuclear

NARA's description

CUI Registry · Nuclear Security-Related Information

Related to information that could be useful, or could reasonably be expected to be useful, to a terrorist in a potential attack that does not qualify as Safeguards or classified information, including the exact location and quantities of radioactive material, certain detailed design drawings, information on nearby facilities, emergency planning information, and certain assessments of vulnerability and safety analyses.

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

Markings

Category marking
SRI
Banner, Specified authorities
CUI//SP-SRI

A banner reads CUI for Basic categories and CUI//SP-SRI 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 2201(b) NRC RIS 2005-31, Revision 1 NRC RIS 2005-26SpecifiedCUI//SP-SRI

Source: https://www.archives.gov/cui/registry/category-detail/nuclear-security-related-info.html.