If you wish to cancel your registration, please send your request by email to oxizymes-2026@ruhr-uni-bochum.de as soon as possible. You will receive a full refund if it is cancelled on or before May 1, 2026, and 50% refund between May 1 and May 31, 2026. There will be no refund after May 31, 2026.

• 100% cancellation: request received by May 1, 2026
• 50% cancellation: request received after May 1, 2026
• No refund: cancellation request received after May 31, 2026