This form allows you to reserve tickets and make adjustments without obligation, up to the time of payment on site. The following credit cards will be accepted for payment: MasterCard, Visa, Discover, American Express. A 5% transaction fee will be charged for any portion of a lift ticket payment that needs to be refunded by credit card. Unused tickets may be returned to symposium staff for full refund (less transaction fee), through March 14, 2025.