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Payments & Cancellation

The following means of payment are available for participants:

  • Bank Transfer
  • Payment by credit card (MasterCard and Visa Card)
  • Pay Pal

Upon completion of the registration process, an electronic confirmation of the registration will be generated by the system and automatically sent to the e-mail address provided by the user. Please do not send any payments by bank transfer without quoting the invoice number and the participant’s name included in the payment details. Payments without the required reference information cannot be processed.

Your participation can be confirmed only when the registration fees have been paid in full. Those participants whose participation fees have not been settled by the first day of the event will not be granted access to the Symposium. Please e-mail any amendments or cancellations regarding your participation to


Cancellation & Refund Policy

Cancellation requests should be submitted in writing by e-mail to

Please refer to the following important deadlines for cancellation for the onsite participation:

  • Until May 15, 2024: 100% refund, minus 50 Euro administration fee;
  • After May 15, 2024 we cannot offer a refund.

Please note that refunds will be made after the 33rd International Symposium on Rarefied Gas Dynamics (RGD33).