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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 28, 2025
All Titles
Title 28
Chapter I
Part 17 - PART 17—CLASSIFIED NATIONAL SECURITY INFORMATION AND ACCESS TO CLASSIFIED INFORMATION
§ 17.1 - Purpose.
§ 17.2 - Scope.
§ 17.3 - Definitions.
Subpart A [§ 17.11 - § 17.18] - Subpart A—Administration
Subpart B [§ 17.21 - § 17.32] - Subpart B—Classified Information
Subpart C [§ 17.41 - § 17.47] - Subpart C—Access to Classified Information
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