The National Archives Catalog


Variant Control Number Type

Mandatory Repeatable Data Type Authority Level Available A/V Only Public Element
No Yes Variable Character Length (60) Variant Control Number Type List Collection
Series
File Unit
Item
No Yes
Definition:

The kind of variant control number or identifier.

Purpose: Allows users to search for collections or archival materials by a particular type of control number.
Relationship: This element and Variant Control Number are dependent on each other. For each unique variant control number, Variant Control Number and Variant Control Number Type must both be included. To have Variant Control Number Note, both Variant Control Number and Variant Control Number Type must be created.
Guidance:

Choose the correct term from the Variant Control Number Type Authority List to match the variant control number.

If "Other" is selected, explain the number further in Variant Control Number Note.

Examples:
Variant Control Number - A1 1077B
Variant Control Number Type - Master Location Register Number
Variant Control Number - NLC-1035
Variant Control Number Type - PRESNET Number
Variant Control Number - 104-10004-10266
Variant Control Number Type - Kennedy Assassination Document ID
Variant Control Number - 10042
Variant Control Number Type - Agency-Assigned Identifier
Variant Control Number Note - Case number assigned by the U.S. Circuit Court. Northern District of Georgia. Atlanta Division.
Variant Control Number - MS 74-1094
Variant Control Number Type - NUCMC Number
Variant Control Number - 194
Variant Control Number Type - Inventory Identifier
Variant Control Number Note - Entry 194 is the entry number for this series found in "Preliminary Inventory of the Cartographic Records of the American Expeditionary Forces, 1917-21: (Record Group 120)" (PI 165).
Variant Control Number - PI66 181
Variant Control Number Type - Inventory Identifier
Variant Control Number Note - Entry 181 is the entry number for this series found in Preliminary Inventory 66, "Records of the Bureau of Plant Industry, Soils, and Agricultural Engineering."
Variant Control Number - PI17 7
Variant Control Number Type - Inventory Identifier


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