Members with a login can make changes and cancellations online via My Registrations. Cancellations received/processed by October 22, 2019, are fully refundable.  Registrants who cancel after October 22, 2019, will be issued a refund minus $250 cancellation fee.  Substitutions are accepted.  No shows and registrants failing to cancel prior to November 6, 2019, are responsible for paying the full registration fees and any pre-con courses, etc., if applicable. If you have difficulty cancelling online, please contact Accounts Receivable at 703-907-6875, or fax to 703-907-5951.