How do I update key set up of a new revision of an item structure in a manufacturing org

Summary:

If I have a new revision of an item structure in a CCO which hasn't been fully completed through approval yet, how do I prepare for the release and update the work definition for the new revision and do other things such as cost roll up for the new revision so that it is ready for when the CCO is released - we use CCO tasks to prompt users t do certain set up tasks for the parent item and BOM. Currently if you open the new revision in the manufacturing org although the parent item shows the "new" revision