Change Requests have been applied to Version 2.0 to create this version, 2.1. It includes support for the Suspend/Resume Processing added to the Extranet Linking Standard.
ERRATA: A few change requests are scheduled for inclusion in the next version of this Standard and should be treated as errata for a version 2.1 implementation. These can be found here.
(ERRATA provide clarification or fix an error which should be corrected by applying the appropriate change request)