What additional step is used to alert readers to CUI inside a classified multi-page document?

• A. A statement/acknowledgement is added to the warning box on the first page indicating it may contain CUI
• B. A banner is added to each page
• C. A watermark is placed on every page
• D. CUI is noted in the metadata only

Answer: (A)

The important idea here is to make the reader immediately aware that CUI may be present in the document. The best way to do that is to include a statement or acknowledgement in the warning box on the first page. This location is the most visible and accessible part of the document, so anyone opening it—whether in print or electronic form—gets a clear alert right away and understands that handling or security requirements apply to the material that follows.

Relying on a banner or a watermark on every page adds marking but can be intrusive and may not always be noticed, especially in longer documents or when pages are handled separately. Noting CUI in metadata alone can be missed by readers who don’t view the file’s metadata or who print a hard copy, which could leave them unaware of the CUI status. The warning box on the first page provides an explicit, reader-facing alert at the point of initial access, which is the most reliable way to convey that the document may contain CUI.