No cancellations will be accepted within 48 hours of the event. Substitutions are allowed and must be submitted in writing (e-mail is acceptable). If the substitute is not a TMA Member, the difference in registration fee will be required. Please note that if you register for the event after the cancellation deadline has passed, you will not be eligible for a refund should you need to cancel your registration. Registrants who fail to attend the event and do not provide written notice in accordance with these policies and deadlines are responsible for full payment.