NATO Restricted

NARA's description

CUI Registry · NATO Restricted

Per the United States Security Authority for NATO, Instruction 1-07, information classified as "NATO Restricted", the fourth level of classification under the North Atlantic Treaty, requires safeguards and protection from public release and disclosure. This category does not apply to information classified NATO Confidential, NATO SECRET or NATO COSMIC TOP SECRET.

Markings

NARA's marking instruction

Mark this information in accordance with instructions in the United States Security Authority for NATO, Instruction 1-07 and supporting NATO Security Directives.

A banner reads CUI for Basic categories and CUI//SP-XXXX 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.

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