Can Demonstrate It Is Meeting This Requirement 
Subscription to a Representation Information registry service; subscription to a technology 
watch service, surveys amongst its Designated Community members, relevant working 
processes to deal with this information. 
AUDIT AND CERTIFICATION OF TRUSTWORTHY DIGITAL REPOSITORIES 
CCSDS 652.0-M-1 
Page 4-18 
September 2011 
Discussion 
The repository must show that it has some active mechanism to warn of impending 
obsolescence. Obsolescence is determined largely