Fees will be refunded in full if notice of cancellation is received by 27 August 2018. 50 % of the conference fees will be refunded in case notification of cancellation is received later, but not later than 10 September 2018. Delegates who fail to attend without notifying the organiser will be liable for the whole conference fees. Substitutions of delegates may be made at any time. Cancellations and changes should be notified in writing. In all cases date of postmark shall apply. Any fees to be refunded will be paid after the end of the conference. The organiser reserves the right to change the programme content or to cancel the event due to important reasons. Cancellation fees of third parties that may appear in this context will not be reimbursed.