18 CFR Part 3a - PART 3a—NATIONAL SECURITY INFORMATION
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General (§§ 3a.1 - 3a.2)
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Declassification and Downgrading (§§ 3a.21 - 3a.23)
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Classification Markings and Special Notations (§ 3a.31)
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Access to Classified Materials (§ 3a.41)
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Security Officers (§ 3a.51)
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Storage and Custody of Classified Information (§ 3a.61)
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Accountability For Classified Material (§ 3a.71)
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Transmittal of Classified Material (§ 3a.81)
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Data Index System (§ 3a.91)
Authority:
Source:
Order 470, 38 FR 5161, Feb. 26, 1973, unless otherwise noted.