o keep all such information locally there may be, for 
example, a schedule of updates which means that until an update is performed, the local 
Representation Information is incomplete. This may be regarded as a kind of local caching 
of, for example, the Representation Information held in registries. Alternatively one may say 
that in these cases, the use of international registries is not meant to replace local registries 
but instead serve as a resource to verify or obtain independent, authoritative info