All cancellations requests must be made in writing to firstname.lastname@example.org Requests received before March 19, 2021 will receive a full refund. Requests received between March 19, 2021 and April 7, 2021 will receive a 50% refund. Refunds will not be issued after April 7, 2021.
If SIGMA cancels the conference, all registration fees will be refunded.
If hotel rooms have been reserved in the SIGMA block, they must be cancelled prior to receiving any eligible refund.
Please contact SIGMA at email@example.com or 703-709-7000 ext.1487 if you have any questions