Controlled Unclassified Information (CUI)

CUI Registry: Proprietary Business Information-Postal


Category-Subcategory: Proprietary Business Information-Postal
Category Description:

Material and information relating to, or associated with, a company's products, business, or activities, including but not limited to financial information; data or statements; trade secrets; product research and development; existing and future product designs and performance specifications.

Subcategory Description: Concerning or related to the course of business of the United States Postal Service.
Marking: POST




  • 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
39 USC 410(c)(2) Basic  
39 USC 3652(f) Basic  
39 USC 3654(f) Basic  



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.