E AIP 
4.2.1 The repository shall have for each AIP or class of AIPs preserved by the 
repository an associated definition that is adequate for parsing the AIP and fit for long-
term preservation needs. 
AUDIT AND CERTIFICATION OF TRUSTWORTHY DIGITAL REPOSITORIES 
CCSDS 652.0-M-1 
Page 4-7 
September 2011 
Supporting Text 
This is necessary to ensure that the AIP and its associated definition, including appropriate 
Packaging Information, can always be found, processed and managed within the archive. 
4.2.1