What is the ticket to any Ultra Worldwide Event (including Resistance) benefit and when does it expire?

What is the ticket to any Ultra Worldwide Event (including Resistance) benefit and when does it expire?

This benefit is valid for one ticket free of charge to any Ultra Worldwide Event (including Resistance) of your choice through December 31, 2022.
*The election applies to all tickets per order. Subject to the terms and conditions in effect for that event. Limited quantity and subject to availability. First come, first served. Advance registration is required. Ultra Music Festival Miami excluded.