This guide assumes the order was placed in a Site.
Find the Order
Navigate to the Advanced Tab
Find the Product that is registered to the person cancelling
Press Cancel Registration
5. Provide a reason for the cancellation. Add details as to why, and who approved/actioned the cancellation.
6. Once confirmed, navigate back to the Order tab. You can now copy the registration link, and provide it to the person that is taking that place.
7. The person that placed the order can also see, and manage this product from their Order Management link.