If a reservation has already been made, it is possible to request a change of the date and time provided that all
the following conditions have been verified :
- you must have a valid reservation code;
- the reservation has been paid;
- the change of the reservation date requires at least a 72 hour (one hour for the admission tickets online) prior notice;
- the reservation hasn't already been changed.
- the change of reservation code is sent via email. If you already have the change of reservation code, click onto the link "I already have the change of reservation code."