|Mandatory||Repeatable||Data Type||Authority||Level Available||A/V Only||Public Element|
|No||Yes||Variable Character Length (40)||Security Classification Authority List||Series
The highest level of national security protections or classified nuclear information protections on the archival materials.
Alerts users to the national security classification of, or nuclear information in restricted archival materials. Provides users with an indication of the clearance level needed to access the materials.
Indicate the level of security classification for the archival materials. Archival materials may have more than one classification. However, in the case of archival materials with Top Secret, Secret, and Confidential information, only the highest level should be indicated.
If it is determined that archival materials contain national security classified information, but do not have any markings indicating the level of classification, select the term "Unmarked" from the Security Classification Authority List.
[For a document that contains both Secret and Restricted Data information.]
[For a series that contains some Confidential information.]
[For a series that contains unmarked archival materials containing security classified information.]
[For a collection that contains unmarked archival materials containing security classified information.]