Who can share a course (level-4 object)?

Also answers:

• Can I share a course across level-3 folders?
• Can I share a course across Level 2?

 To share a course (level-4 object) you must have:

• at least viewing access where the source level-4 object is located
• at least editing access in the destination level-3 folder (where the proxy level-4 object will be located)

See related articles:

• How does a proxy level-4 object work?
• Who can do what in a proxy level-4 object?