28 CFR Part 17 - Subpart B - Classified Information
- § 17.21 Classification and declassification authority.
- § 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.
- § 17.28 Automatic declassification.
- § 17.29 Documents of permanent historical value.
- § 17.30 Classification challenges.
- § 17.31 Mandatory review for declassification requests.
- § 17.32 Notification of classification changes.