NAP 476.2, Information Disclosures to the United Kingdom

CONTROLLED DOCUMENT OFFICE OF PRIMARY INTEREST (OPI): AVAILABLE ONLINE AT: Office of International Programs http://directives.nnsa.doe.gov printed copies are uncontrolled NNSA POLICY Approved: 01-30-2026 Certification Due: 01-30-2031 INFORMATION DISCLOSURES TO THE UNITED KINGDOM NATIONAL NUCLEAR SECURITY ADMINISTRATION Office of Defense Programs NAP 476.2 CONTROLLED UNCLASSIFIED INFORMATION (CUI) Department of Energy review required before public release. Controlled by: NA-10.2/Fornicola CUI Category: CUI//SP-INTL//NOFORN NNSA NAP 476.2 1 01-30-26 INFORMATION DISCLOSURES TO THE UNITED KINGDOM 1. PURPOSE. To establish policies and procedures for information disclosure to the United Kingdom pursuant to or associated with the 1958 Agreement between the Government of the United Kingdom of Great Britain and Northern Ireland and the Government of the United States of America for Cooperation on the Uses of Atomic Energy for Mutual Defense Purposes (MDA), as amended. This is in support of a Department of Defense and Department of Energy agreement regarding information disclosure to the UK. 2. APPLICABILITY. a. Federal. Applies to all NNSA federal elements except Nuclear Threat Reduction, nuclear security enterprise security pursuant to or associated with the MDA, intelligence information, or officially released information. b. Contractors. Contains a Contractor Requirements Document that sets forth the requirements of this NAP that apply to contractors. This NAP is marked CUI//SP-INTL//NOFORN is available by contacting the NNSA Office of Defense Programs, Office of international Programs (NA-10.2), 202-586-8719. The full NAP will not be posted on the NNSA Directives website.