U.S. Code of Federal Regulations

Regulations most recently checked for updates: Sep 16, 2025

All TitlesTitle 46Chapter IVPart 503Subpart G - Subpart G—Information Security Program
§ 503.51 - Definitions.
§ 503.52 - Senior agency official.
§ 503.53 - Oversight Committee.
§ 503.54 - Original classification.
§ 503.55 - Derivative classification.
§ 503.56 - General declassification and downgrading policy.
§ 503.57 - Mandatory review for declassification.
§ 503.58 - Appeals of denials of mandatory declassification review requests.
§ 503.59 - Safeguarding classified information.
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