The National Archives Catalog


Security Classification

Mandatory Repeatable Data Type Authority Level Available A/V Only Public Element
No Yes Variable Character Length (40) Security Classification Authority List Series
File Unit
Item
No Yes
Definition:

The highest level of national security protections or classified nuclear information protections on the archival materials.

Purpose:

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.

Relationship: This element is dependent on Specific Access Restriction. The selection of some terms from the Specific Access Restriction Authority List in Specific Access Restriction requires the use of Security Classification as described in the Guidance section for Specific Access Restriction.
Guidance:

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.

Examples:

Access Restriction Status - Restricted - Fully
Specific Access Restriction - FOIA (b)(1) National Security
Security Classification - Secret
Specific Access Restriction - FOIA (b)(3) Statute
Security Classification - Restricted Data/Formerly Restricted Data

[For a document that contains both Secret and Restricted Data information.]
Access Restriction Status - Restricted - Partially
Specific Access Restriction - FOIA (b)(1) National Security
Security Classification - Confidential
[For a series that contains some Confidential information.]
Access Restriction Status - Restricted - Partially
Specific Access Restriction - FOIA (b)(1) National Security
Security Classification - Unmarked
[For a series that contains unmarked archival materials containing security classified information.]
Access Restriction Status - Restricted - Partially
Specific Access Restriction - Presidential Records Act (p)(1) National Security Classified
Security Classification - Unmarked
[For a collection that contains unmarked archival materials containing security classified information.]


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