All cancellation requests for registration must be received in writing (by email). Cancellations received on or before April 1st will receive a full refund, minus a $75 processing fee. Cancellations received on or before June 30th will receive a 50% refund, minus a $75 processing fee. No refunds will be given for cancellations received after July 1st or for no shows. Cancellation requests must be emailed to info@si4all.com.