Allow for batches to be initiated by users, then later retrieved. The solution would involve working around the current 29 second response limitation to enable users to initiate, retrieve and submit larger batches.
The user experience will need to be mocked up
Ensure all ERepo links are valid (this is related to the project to get feedback from the ERepo on publishing) before a user gathers their batch.
Scope out solutions for the 15 minute AWS limitation.