Cancellations received through December 1, 2017, will receive a full refund. Cancellations received from December 1, 2017 through January 2, 2018 will receive a refund of 80 percent. Refunds will not be given after January 2, 2018. Cancellation of a meeting registration must be submitted in writing. Refunds will be determined by date written cancellation is received at the SEA office in Milwaukee, WI.