omplex descriptions case by case. Under such 
circumstances case diaries or logs of actions taken to produce each AIP should be created 
and maintained. In these cases, documentation should be mapped to individual AIPs, and the 
mapping should be available for examination. Other repositories that can run a more 
production-line approach may have a description for how each class of incoming objects is 
transformed to produce the AIP. It must be clear which definition applies to which AIP. If, to 
take a simp