28 CFR Subpart B
Classified Information
July 24, 2020
§
17.29
Documents of permanent historical value
§
17.21
Classification and declassification authority
§
17.28
Automatic declassification
§
17.22
Classification of information; limitations
§
17.23
Emergency classification requests
§
17.24
Duration of classification
§
17.25
Identification and markings
§
17.26
Derivative classification
§
17.27
Declassification and downgrading
§
17.30
Classification challenges
§
17.31
Mandatory review for declassification requests
§
17.32
Notification of classification changes
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