Here's the senario. List 1 has pre-populated fields. Business users attach files to a list item as needed. A workflow would move the attachments to List 2 where they only have add permissions.
Is it possible to move an attachment to an existing list and add additional attachments at later dates from an item in list 1 to the matching item in list 2 via a workflow.
The goal is to have business users attached necessary documentation in List 1 (they'll have contribute permissions on this list) and the workflow move the attachment from that item to List 2 where they'll only have add permissions.
List 2 has the same fields as List 1 but with restricted permissions