In addition to alerting the holder to the presence of classified information, markings also identify who classified the document and provides guidance for future downgrading or declassification.
What is classified information?
The term "classified information" refers to information that has been designated as such by a government agency for national security purposes that access to it must be limited and restricted.
All classified information and document as adequate protection is needed because they providing proper identification and guidance of future perspective on downgrading or declassification.
As a result, every piece of secret information and document must be labeled to indicate the information it contains has been downgraded or declassified in future.
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