Guide to Marking Documents

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Guide to Marking Documents October 4, 2001 i ii Intentionally Left Blankiii Table of Contents Handling and Control of Classified National Security Storage of Classified Automated Information System (AIS) How Information is classification Derivative Classifiers Why Mark?................................... ........................................ ........................................ ........................................ ..........................14 Essential Required Portion Overall Page classification by classification Imagery Original Derivative Derivative classification with Multiple Derivatively Classifying from a classification Combination of Original and Derivative Official File Major Component Overall document OCA Extends the Declassify Transmittal Declassification, Downgrading, Upgrading and Putting Declassification Instructions on Electronically Transmitted Working For Official Use Only (FOUO).

Guide to Marking Documents October 4, 2001 . i . ii Intentionally Left Blank. ... If a classification guide or some other source document is used as a basis for the classification decision, it is derivative classification. The duplication or reproduction of existing classified information is not derivative

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