Controlled Unclassified Information (CUI)

CUI Registry: Law Enforcement-National Security Letter

 

Category-Subcategory: Law Enforcement-National Security Letter
Category Description:

Related to techniques and procedures for law enforcement operations, investigations, prosecutions, or enforcement actions.

Subcategory Description: Related to administrative orders sent to compel the recipients of the letters to provide information to federal investigators.
Marking: LNSL

 

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  • Whether CUI is Basic or Specified is determined by the applicable Safeguarding and/or Dissemination Authority for that CUI.
  • Each "Safeguarding and/or Dissemination Authority" citation links to the statute, regulation or government-wide policy authorizing the control of that information as CUI.
  • Each "Sanctions" authority links to the statute, regulation or government-wide policy that includes penalties for CUI misuse of CUI for the associated "Safeguarding and/or Dissemination Authority" on the same line.

 

Safeguarding and/or Dissemination Authority Basic or
Specified
Sanctions
50 USC 3162(b) Basic  

 

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Authority links are updated based on regular re-publication of the United States Code and Code of Federal Regulations, and the CUI Registry maintenance schedule.

 

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