U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 28, 2025

All TitlesTitle 18Chapter XIIIPart 1301Subpart E - Subpart E—Protection of National Security Classified Information
§ 1301.61 - Purpose and scope.
§ 1301.62 - Definitions.
§ 1301.63 - Senior agency official.
§ 1301.64 - Original classification authority.
§ 1301.65 - Derivative classification.
§ 1301.66 - General declassification and downgrading policy.
§ 1301.67 - Mandatory review for declassification.
§ 1301.68 - Identification and marking.
§ 1301.69 - Safeguarding classified information.
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