You can allow your registrants to transfer an existing registration to each other. This video will walk you through the process.
Related Article: Registrant Account Center
When does the first registrant get their refund?
When the new registrant completes their order, officially claiming the spot, the refund to the original registrant is initiated.
If I change the price of my registration, does the transfer recipient pay the old price or the new price?
They will pay the new price, the price the page is currently charging.
Do the registrants have to create an account to transfer their registration?
They do not. You can enable the option in your help nav bar and existing registrants can return the page and select that option anytime. All they have to do is fill out the necessary details and click Transfer.