You must contact the office administrator at least three weeks in advance to secure tickets. Many shows are quite popular so the earlier the better. Last minute requests may not be able to be honored. Show selections are based on availability, and at the discretion of Gexa Energy Pavilion. To redeem certificate for tickets, please follow instructions on the certificate. The certificate cannot be sold for profit or gain. Certificate expires on November 30, 2015. All copies of this certificate are null and void.