The mechanisms by which creation of Inventory SOP Instances is initiated.

Policies/parameters for splitting a logical inventory across multiple Inventory SOP Instances.

Any limitations on the Inventory Level (0008,0403) of the Inventory SOP Instances.

Any non-DICOM mechanisms used to access Inventoried SOP Instances that may be specified by a Stored Instance URI, including protocols (such as NFS, SMB, or HTTP), and use of folders and/or container files (ZIP, TAR, GZIP, TARGZIP, BLOB) for the SOP Instances.

Policies/parameters for duration of retention, or for deletion, of created Inventory SOP Instances.

Whether it provides records for entities in multiple repositories (federation), and how it handles differences in support for Attribute matching across those repositories in constructing Inventory SOP Instances.