Controlled Unclassified Information (CUI)

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CUI Category: Informant

Banner Marking for Specified Authorities: CUI//SP-INF

Banner Marking for Basic Authorities: CUI

Category Description: Related to the identity of a human source.
Category Marking: INF
Alternative Banner Marking for Basic Authorities: CUI//INF

 How to Locate the Source Documents for CUI Authorities

Safeguarding and/or Dissemination Authority Basic or
Specified		 Banner Marking Sanctions
5 CFR 736.103 Basic CUI  
21 CFR 20.64(a)(4) Basic CUI  
10 CFR 19.16(a) Basic CUI  
26 USC 6103(a) Specified CUI//SP-INF  
26 USC 6103(h) Specified CUI//SP-INF  
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