Refunds of registration fees, less a $100 USD administration fee, will be issued for cancellations received by August 31, 2017. If you are unable to attend, you may substitute someone in your place. Cancellation for optional activities must be received by August 22, 2017. No refunds will be issued after these dates. All cancellation and substitution requests must be received in writing. Refunds will be processed after the meeting.