According to Law 11/2009, of July 6, 2009, on the administrative regulation of public shows and recreational activities: the organizers have the right to return to the users or spectators the amount they have paid in the event that the show or activity is suspended or modified in an essential way, and to attend the claims for this reason that are appropriate, in accordance with the applicable legislation, except in those cases in which it has been expressly and clearly announced to each of the users or spectators that the organizers or owners reserve the right to modify the programming, or in those cases in which the suspension or modification occurs once the show or activity has begun and is due to fortuitous causes or force majeure.