that 
do not inhibit preservation; records of relevant legal advice sought and received. 
Discussion 
The repository’s Preservation Policies and Preservation Implementation Plans and 
mechanisms should be vetted by appropriate institutional authorities and/or legal experts to 
ensure that responses to challenges adhere to relevant laws and requirements, and that the 
potential liability for the repository is minimized. 
AUDIT AND CERTIFICATION OF TRUSTWORTHY DIGITAL REPOSITORIES 
CCSDS 652.0-M-1 
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