Presidential Determination on Provision of Atomic Information to Finland and Sweden

In simple terms

This determination approves sharing U.S. classified nuclear information (Restricted Data and Formerly Restricted Data) with Finland and Sweden under the 1965 NATO ATOMAL Agreement, following their recent NATO accession. It authorizes the Department of War to implement cooperation once statutory requirements under the Atomic Energy Act are satisfied.

Federal Register Open PDF 91 FR 55231

Record & deadlines

Aug 21, 2026Signed
Signed by the President
Aug 26, 2026FR published
Published in the Federal Register · 91 FR 55231
Federal Register PDF
Date TBD
Department of War to satisfy section 123 Atomic Energy Act requirements before cooperation begins

Key directives

Determine that ATOMAL Agreement performance with Finland and Sweden promotes common defense and security
Approve U.S. implementation of ATOMAL Agreement with respect to Finland and Sweden
Authorize Department of War to cooperate upon satisfaction of section 123 Atomic Energy Act requirements
Direct publication in Federal Register

Who is ordered

Secretary of War · Department of War

What to expect

Immediate

Determination signed and approved
Authorization to publish in Federal Register

Near term (90d)

Department of War to satisfy section 123 Atomic Energy Act requirements before cooperation begins

Long term

Ongoing nuclear information sharing within NATO framework
Enhanced mutual defense posture with Finland and Sweden

Risks & tensions

Statutory precondition in section 123 creates implementation gap—cooperation not automatic upon signing
Information security risks inherent in expanding Restricted Data access to new parties
Document uses anachronistic 'Secretary of War' title (position abolished 1947), creating administrative ambiguity about actual implementing office