ally preventing or slowing the 
ingest of digital objects at risk, it is acceptable for a digital repository to take in or accept 
digital objects even with only minimal preservation rights using an open-ended agreement 
and then deal with expanding to detailed rights later. 
AUDIT AND CERTIFICATION OF TRUSTWORTHY DIGITAL REPOSITORIES 
CCSDS 652.0-M-1 
Page 3-13 
September 2011 
3.5.1.2 The repository shall have specified all appropriate aspects of acquisition, 
maintenance, access, and withdrawal in writte