To guarantee any registration and/or accommodation the payment of full fee/stay is required. To guarantee any social program the payment of the fee is required. In case of any cancellation up to 30 September 2016 the costs will be refunded less 30 EUR for administration costs. After this date no any payment (registration. hotel accommodation, social program fee) can be refunded under any circumstances. Minimum number of guests for organizing any social program is specified above.