Members with a login can make changes and cancellations online via My Registrations. Cancellations received/processed by October 1, 2019 are fully refundable. Registrants who cancel after October 1, 2019 will be issued a refund minus a $175 cancellation fee. Substitutions are accepted. No shows and registrants failing to cancel prior to October 15, 2019, are responsible for paying the full registration fee and any pre-conference workshops. Special events or ticketed item fees are non-refundable. If you have difficulty cancelling online, you may contact Accounts Receivable at 703-907-6875, or fax your cancellation request to 703-907-5951.