Registration Cancellation Policy: Cancellation Email requests for cancellations or substitutions must be received by April 5, 2017 will not be subject to a cancellation fee. Cancellation email request received after April 5 but before April 19, 2017 will be subject to a $30 cancellation fee. Send cancellation request to soneill@meetingmastersinc.com. Substitutions are allowed through April 24, 2017. After April 19, 2017, no refunds will be processed.