Metadata requirements

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Metadata requirements identify the entities the system must track and the kinds of information about them it must capture in order to do the things specified by the functional requirements.

Metadata requirements are organized around the three core entities the system must track:

• Archival description
• Actors (authority records)
• Archival institutions

Each metadata requirement

Archival descriptions

Identity area

Reference code

Element name	Reference code
Requirement specification	The system must: Describe archival materials at multiple levels reflecting the levels of arrangement. Let institutions determine the number of levels of description allowed or required.
Requirement quotation	ISAD(G) I.8 ISAD(G) 1.1 OSARIS 2.1
Associated metadata requirements	Archival materials: Level of description Archival materials: Next upper level of description
Associated usability requirements	Provide drop-down lists for user to select from available levels. Display current level of description clearly on screen. Display context of arrangement clearly on screen (current description's position in the hierarchy of arrangement).
ICA-AtoM implementation	By default ICA-AtoM allows for description at fonds, sub-fonds, series, sub-series, file, and item level. Institutions can determine how many sub-levels to allow for series. System administrators can customize Level of description value list to include all permitted levels of description.
User Manual sections	How to assign levels of description. How to link a description to higher and lower levels.

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