​​​Registrants with a login can make changes and cancelations online via My Registrations​. Cancelations received/processed by May 26, 2021, are fully refundable. Registrants who cancel after May 26, 2021, and no-shows are responsible for paying the full registration fee. No substitution ​or cancelation refund is available once the online course event begins. If you have difficulty canceling online, please contact Accounts Receivable at 703-9076875, or fax to 703-907-5951.​​