Please inform the Conference Secretariat about any amendments or cancellations in writing by fax: +420 284 001 448 or e-mail: . Telephone amendments will not be accepted. The appropriate refunds will be made after the congress. The following cancellation conditions apply to the cancellation of a tour:
| Cancellation before and on August 20, 2010: | full refund less 20 EUR handling fee |
| Cancellation after August 20, 2010: | no refund |