esources to provide 
authoritative Representation Information for all of the digital objects it contains. 
In particular the following aspects must be checked. 
4.2.5.1 The repository shall have tools or methods to identify the file type of all 
submitted Data Objects. 
4.2.5.2 The repository shall have tools or methods to determine what Representation 
Information is necessary to make each Data Object understandable to the Designated 
Community. 
4.2.5.3 The repository shall have access to the requisite Re