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4.2.7.2 - The repository shall execute the testing process for each class of Content Information of the AIPs.

Supporting Text

This is necessary in order to ensure that one of the primary tests of preservation, namely that the digital holdings are understandable by their Designated Community, can be met. See 4.3. for additional requirements for understandability beyond ingest.

Examples of Ways the Repository can Demonstrate it is Meeting these Requirements

Test procedures to be run against the digital holdings to ensure their understandability to the defined Designated Community; records of such tests being performed and evaluated; evidence of gathering or identifying Representation Information to fill any intelligibility gaps which have been found; Retention of individuals with the discipline expertiseIntroduction

The structure of the AIP's content information is verified against it's DTD. It's DTD is a template of a known understandable format for the Designated Community.