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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
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Title 5
Chapter III
Part 1312 - PART 1312—CLASSIFICATION, DOWNGRADING, DECLASSIFICATION AND SAFEGUARDING OF NATIONAL SECURITY INFORMATION
Subpart A [§ 1312.1 - § 1312.12] - Subpart A—Classification and Declassification of National Security Information
Subpart B [§ 1312.21 - § 1312.31] - Subpart B—Control and Accountability of Classified Information
Subpart C [§ 1312.32 - § 1312.37] - Subpart C—Mandatory Declassification Review
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