Marking Messages
Messages are marked in a manner similar to
documents. They are marked with the highest overall
classification level of the information contained in the
message. Classified messages are marked to indicate the
following:
The nature of the classification—original or
derivative
The source of classification
Downgrading instructions (if applicable)
Declassification instructions (if applicable)
22-7
Student Notes:
Figure 22-2.—Photographs, slides, and transparencies.
