The National Archives Catalog


Accession Number

Mandatory Repeatable Data Type Authority Level Available A/V Only Public Element
No Yes Variable Character Length (60) None Series
File Unit
Item
No Yes
Definition: The unique identifier assigned to a group of archival materials that have been transferred into the legal custody of NARA.
Purpose: Links the description of the archival materials and their acquisition/accession documentation. Will help NARA to create linkages in lifecycle systems.
Relationship: This element is independent.
Guidance:

Enter the accession number exactly as it appears on the source accessioning documentation. Do not include notes or explanations in this element.

For preliminary descriptions of Federal records, Accession Number should be entered if available.

Examples:
NRFFA-276-99-0001
NW-338-99-005
NN3-059-99-001
NN 373-189
N3-58-88-1
92-NLC-001
III-NN-789
4NS-021-95-367


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