Controlled Unclassified Information (CUI)

CUI Category: Critical Energy Infrastructure Information

Banner Marking: CUI//SP-CEII

Category Description: Critical energy infrastructure information means specific engineering, vulnerability, or detailed design information about proposed or existing critical infrastructure that: (i) Relates details about the production, generation, transportation, transmission, or distribution of energy; (ii) Could be useful to a person in planning an attack on critical infrastructure;... and (iii) Does not simply give the general location of the critical infrastructure.
Category Marking: CEII

How to Locate the Source Documents for CUI Authorities

Safeguarding and/or Dissemination Authority Basic or
Specified
Banner Marking Sanctions

18 CFR 388.113

Specified

CUI//SP-CEII

 

10 CFR 1004.13 

Specified

CUI//SP-CEII

 
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