Skip To The Main Content

Refund Policy

All cancellations requests must be made in writing to

Requests received before October 31, 2019 will receive a full refund.
Requests received before January 3, 2020 will receive a 50% refund.
Refunds will not be issued after January 3, 2020

Please contact SIGMA headquarters at 703-709-7000 or email for event refund information.