4.5.1) The repository shall specify minimum information requirements to enable the Designated Community to discover and identify material of interest.
4.5.2) The repository shall capture or create minimum descriptive information for each AIP.
4.5.3) The repository shall create bi-directional linkages between each AIP and its descriptive information. 4.5.3.1) The repository shall maintain the bi-directional associations between its AIPs and their descriptive information over time.