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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Sep 16, 2025
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Title 45
Chapter VI
Part 601 - PART 601—CLASSIFICATION AND DECLASSIFICATION OF NATIONAL SECURITY INFORMATION
§ 601.1 - Purpose.
§ 601.2 - Classification authority.
§ 601.3 - Security program.
§ 601.4 - Classification Review Committee.
§ 601.5 - Derivative classification.
§ 601.6 - Downgrading and declassification.
§ 601.7 - Mandatory declassification review.
§ 601.8 - Access to classified materials.
§ 601.9 - Access by historical researchers and former Presidential appointees.
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