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X-CUI-PROPIN Informational

Protect Proprietary Business Information / Trade Secrets

Official citation: 18 USC 1905; FOIA Exemption 4

Class: informational · Severity: medium

Requirement text

18 USC 1905; FOIA Exemption 4

What it means

Proprietary business information and trade secrets shared with or generated for the government are protected from improper disclosure. 18 USC 1905 (Trade Secrets Act) and FOIA Exemption 4 limit government release of confidential commercial information. Contractors should mark and segregate proprietary data.

Required by

  • 18 USC 1905; FOIA Exemption 4
  • 18 USC 1905; FOIA Exemption 4
  • 18 USC 1905; FOIA Exemption 4
  • 18 USC 1905; FOIA Exemption 4
  • 18 USC 1905; FOIA Exemption 4
  • 18 USC 1905; FOIA Exemption 4
  • 18 USC 1905; FOIA Exemption 4
  • 18 USC 1905; FOIA Exemption 4
  • 18 USC 1905; FOIA Exemption 4
  • 18 USC 1905; FOIA Exemption 4
  • 18 USC 1905; FOIA Exemption 4
  • 18 USC 1905; FOIA Exemption 4
  • GovCon18 USC 1905; FOIA Exemption 4
  • Water18 USC 1905; FOIA Exemption 4
  • IT/Cloud18 USC 1905; FOIA Exemption 4
  • 18 USC 1905; FOIA Exemption 4
  • Nuclear18 USC 1905; FOIA Exemption 4
  • DIB18 USC 1905; FOIA Exemption 4
  • Legal18 USC 1905; FOIA Exemption 4
  • Chemical18 USC 1905; FOIA Exemption 4
  • Ag/Food18 USC 1905; FOIA Exemption 4

Educational reference only — not legal advice. Consult a qualified assessor or attorney for binding compliance determinations.