Written requests for registration refunds must be postmarked on or before June 17, 2021. Cancellations submitted on or before June 17, 2020, are refunded less a $50 cancellation fee. If membership dues were paid while registering, these will not be refunded; only the actual registration fees will be refunded less the $50 cancellation fee. No refunds will be made after June 17, 2020. Refunds are not given for no-shows. Registration substitutions from the same institution are accepted; membership substitutions are NOT accepted. All fees will be reimbursed in the case of meeting cancellation.