If you received a credit note for Seville 2020 and therefore have been registered for Seville 2021, you do not need to do anything as you are pre-registered for the Fall Forum.
If you are a EuRA Member and you were not booked for Seville 2021 or did not receive a credit note, you need to reserve a place and the cost will be €50.
If you are not a member of EuRA and were not booked for Seville 2021 or did not receive a credit note, you need to reserve a place and the cost will be €100.