Your registration for events will serve as your guarantee for service and AAED's guarantee for payment. Cancellations must be received 72 business hours in advance of event for you to receive a refund.  No refunds allowed past deadline, however substitutions may be made from the same company. Please note that payment for an event needs to be paid in full prior to the event date. No entry without payment. If you have any questions please call AAED at 602-240-2233.