The registration implies acceptance of the Congress conditions of participation and cancellation. Cancellation conditions are:
- Cancellations must be submitted in writing.
- Cancellations received before September 17, 2017 shall be entitled to full refund of the amount paid.
- Cancellations received by October 17, 2017 shall be entitled to a refund of the amount paid minus 25% for administrative expenses.
- Cancellations received after October 18, 2017 shall not be entitled to a refund.
- The total number of participants in the congress will not exceed the total capacity of simultaneous activities. However, it is not possible to guarantee assistance for specific activities, since it is based on "first come, first serve" policy.


