 
to CCSDS document management and change control procedures, which are defined in the 
Procedures Manual for the Consultative Committee for Space Data Systems.  Current 
versions of CCSDS documents are maintained at the CCSDS Web site: 
http://www.ccsds.org/ 
Questions relating to the contents or status of this document should be addressed to the 
CCSDS Secretariat at the address indicated on page i. 
AUDIT AND CERTIFICATION OF TRUSTWORTHY DIGITAL REPOSITORIES 
CCSDS 652.0-M-1 
Page iv 
September 2011 
At 