Which elements must be included in CUI labeling to ensure proper handling?

• A. The elements include handling instructions only.
• B. The elements include protective markings only.
• C. The elements include clear designation only.
• D. Clear CUI designation on all containers/files and appropriate protective markings and handling instructions.

Answer: (D)

CUI labeling must convey three things together: a clear designation that the material is CUI, appropriate protective markings, and specific handling instructions. The clear designation on all containers and files ensures anyone who encounters the material immediately recognizes its sensitivity. The protective markings tell you the level and categories that apply, guiding what markings to apply and who may access or disseminate the information. The handling instructions specify how to treat the material—how it can be stored, transmitted, accessed, and disposed of—so that procedures match its sensitivity throughout its life cycle. If any of these elements are missing, the material may be misidentified, mishandled, or exposed to inappropriate access. Therefore, including a clear designation on all containers/files plus the appropriate protective markings and handling instructions provides the complete, correct approach to proper CUI labeling.