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Refund/Cancellation Policy

All cancellations requests must be made in writing to sigma@sigma.org. Requests received before March 10, 2022 will receive a full refund. Requests received between March 10, 2022 and March 30, 2022 will receive a 50% refund. Refunds will not be issued after March 30, 2022

If hotel rooms have been reserved in the SIGMA block, they must be cancelled prior to receiving any eligible refund.

Please contact SIGMA at sigma@sigma.org if you have any questions.