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Refund/cancellation requests must be received in writing to registration@sui.acm.org by September 27, 2026 • Registration cancelled until September 27, 2026 will be refunded 80% of the registration fees. • Registrations cancelled after September 27, 2026, will not be eligible for a refund. Notes: • Author registrations are non-refundable. • Registrations for which a visa invitation letter has been issued are non-refundable.
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