163e7687_Standards_for_Data_Stewardship__Category_I
[#] 4.2.1 [Action] Labeling documents [Category-II] Certain documents may be labeled as "Confidential" regardless of internal or external use. Documents approved for distribution should be labeled accordingly. [Category-III] No special requirement [Category-I] 
Certain documents must be labeled as "Confidential" regardless of internal or external use. Documents approved for distribution should be labeled accordingly.
Information Security Office - Minimum Security Standards for Data Stewardship
Category-I