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The Classification Authority Block will identify the individual who created the document, the source of classification, and the declassification instructions.

Where is the classification authority block on classifying documents?

Top Secret documents can be downgraded to Secret or Confidential, while Secret documents can be downgraded to Confidential. A document may not have any downgrading instructions, but if it does, they will be noted in the Classification Authority Block on the first page of the document.

What marking changes occur in the classification authority block?

The only changes in the Classification Authority Block are the addition of the name of the OCA responsible for the declassification and the date of declassification. If a Letter of Transmittal does not contain classified information, then no no portion markings or Classification Authority Block are required.

What must appear in the banner line of a classified document?

The first marking in a banner line or portion indicates the highest level of classification in the document, page, or portion.

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