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2 shown · Clinton · Director of the Information Security Oversight Office

EO 131421999-11-19Clinton

Amendment To Executive Order 12958-Classified National Security Information

This executive order amends Executive Order 12958 to extend automatic declassification deadlines for classified national security records over 25 years old, creating staggered timelines (6.5 years, 8 years, and 25 years from information origin) based on record complexity and sensitivity. It also formally establishes the Information Security Oversight Office (ISOO) within the National Archives and Records Administration, granting it binding directive authority and on-site review powers over agency classification programs.

EO 129581995-04-17Clinton

Classified National Security Information

This executive order establishes a comprehensive uniform system for classifying, safeguarding, and declassifying national security information across the federal government. It creates automatic declassification timelines (generally 10 years for original classification, 25 years for historically valuable records), establishes new oversight bodies, and mandates training and procedural requirements for officials with classification authority. The order significantly expands transparency by requiring declassification instructions on all classified documents and creating mechanisms for public challenge of classification decisions.

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