Description
A thorough look and thoughtful design consideration is needed for a user to provide an optional secondary CSV for file provenance info. A couple user interviews should do it and a fresh look at "add a data source" design.
Detail what you already know and/or your best guesses. UX will help fill in blanks once assigned.
Size
SM
Scope
What will we do? What will we NOT do?
TBD but should be pretty stright forward and easy from technical side regardless
User needs statement(s)
As a [type of user], I need/want to [action(s)], so that I can [goal].
Additional notes
Knowns/unknowns, stakeholders, time/dependency considerations, deliverables