​​​​Members with a login can make changes and cancellations online via My Registrations. Cancellations received/processed by May 27, 2024, are fully refundable. Registrants who cancel after May 27, 2024, through June 10, 2024, will be issued a refund minus a $350 cancellation fee. Additionally, for any full day pre-conference course/workshop, a $350 cancellation fee per course will be applied and for any half day pre-conference course/workshop a $175 cancellation fee per course will apply. Guest/spouse fee is non-refundable after May 27, 2024. Substitutions are accepted. No shows and registrants failing to cancel prior to June 11, 2024 (which includes pre-conference workshops or trainings) 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, please contact Accounts Receivable at 703.907.6875 or​.​​​