What is declassify mean?
Definition of declassify transitive verb. : to remove or reduce the security classification of declassify a secret document.
What is the purpose of marking classified information?
The purpose of marking is to provide required information about classification. This includes alerting the holder to the presence of classified information and specifically identifying what information needs protecting and the level of protection required.
What are the classification levels used for classified information?
The U.S. classification of information system has three classification levels — Top Secret, Secret, and Confidential — which are defined in EO 12356.
How long does it take to declassify documents?
The originating agency assigns a declassification date, by default 10 years. After 25 years, declassification review is automatic with nine narrow exceptions that allow information to remain as classified. At 50 years, there are two exceptions, and classifications beyond 75 years require special permission.
What is the root of declassify?
1865, originally a term in logic; with reference to state secrets, 1946; from de- + classify.
Where are the declassified documents?
The Digital National Security Archive (DNSA) contains the most comprehensive set of declassified government documents available.
Which best describes original classification?
”Original classification” means an initial determination that information requires, in the interest of the national security, protection against unauthorized disclosure.
What marking changes occur in the classification authority?
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.
Does the government have to declassify documents?
Yes. The DOJ and Federal Bureau of Investigation (FBI), have ISCAP approved declassification guides. The DOJ and FBI also have approved File Series Exemptions. FGI is subject to automatic declassification unless specifically exempted by an approved file series exemption or declassification guide.