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

Safeguards Information SGI

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

  • SGI
  • CUI//SP-SGI
  • Specified
  • Nuclear

NARA's description

CUI Registry · Safeguards Information

Pursuant to 42 USC 2011, et seq., and as defined in 10 CFR 73.2, SGI relates to security related information concerning the physical protection of source, byproduct or special nuclear material and the detailed security measures for facilities and information contained within security plans.

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

Markings

Category marking
SGI
Banner marking
CUI//SP-SGI

A banner reads CUI for Basic categories and CUI//SP-SGI 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 CFR 73SpecifiedCUI//SP-SGI10 CFR 73.81

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