Controlled Unclassified Information (CUI)

CUI Category: Protected Critical Infrastructure Information

Banner Marking: CUI//SP-PCII

Category Description: As defined by 6 USC 131-134, and 6 CFR 29, PCII relates to threats, vulnerabilities, or operational experience related to the national infrastructure. PCII offers protection to private sector infrastructure information voluntarily shared with government entities for purposes of homeland security.
Category Marking: PCII

 How to Locate the Source Documents for CUI Authorities

Safeguarding and/or Dissemination Authority Basic or
Specified
Bannery Marking Sanctions
6 CFR 29 Specified CUI//SP-PCII 6 CFR 29.9
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