 If the mechanism depends on an external 
registry, the repository must demonstrate how it uses the information from that registry. 
4.3.2.1 The repository shall have mechanisms in place for monitoring and notification 
when Representation Information is inadequate for the Designated Community to 
understand the data holdings. 
Supporting Text 
This is necessary in order to ensure that the preserved information remains understandable 
and usable by the Designated Community. 
Examples of Ways the Repository 