This document specifies requirements for a trusted third party repository (TTPR) to support the authorized custody service in order to safeguard provable integrity and authenticity of clients’ digital records and serve as a source of reliable evidence.

This document is applicable to retention or repository services for digital records as a source of evidence during the retention periods of legal obligation in both the private and the public sectors.

This document has the limitation that the authorized custody of the stored records is between only the TTPR and the client.