 repository to change how it deals with the material it holds in 
ways that could not have been anticipated at an earlier stage. The repository should 
periodically review its preservation plans and the technology environment and, if necessary, 
makes changes to those plans to ensure their continued effectiveness. Another possible 
response to information gathered by monitoring is for the repository to update and create 
additional Representation Information and/or PDI. 
4.3.3.1 The repository shall have me