Executive Order 13526 · 2010-01-05

Classified National Security Information

Federal Agencies Must Follow Uniform Rules for Classified Information

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Signed by Barack Obama
Published 2010-01-05

What it does

Agencies must implement a uniform system to classify, safeguard, and declassify national security information and follow implementing directives.

Real-world impact

  • Standardizes how federal employees and contractors classify, mark, and protect information.
  • Creates automatic declassification at 25 years with narrow exemptions.
  • Establishes a National Declassification Center to coordinate historical record reviews.

Topics

classification policydeclassificationgovernment recordsnational securityinformation security

Summary

This order requires a single, government-wide system for classifying, protecting, and declassifying national security information, including terrorism-related material.

It applies to all federal agencies, agency heads, officials who create or handle classified material, contractors, and the National Archives.

The goal is to protect national security while improving routine and secure declassification so the public can access historical records when safe.

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