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Executive Order 13142

Amendment To Executive Order 12958-Classified National Security Information

Ordered by William J. Clinton on November 19, 1999

Summary

Amends earlier rules on automatic declassification deadlines for classified historical records. Extends the timeframe from five to six-and-a-half years for agencies to automatically declassify materials older than 25 years. Creates specific exceptions allowing certain sensitive intelligence-related documents up to eight years. Establishes an Information Security Oversight Office within the National Archives, granting it oversight authority and responsibility for managing declassification policy compliance.

Executive Order Text