Not valid for the following periods: All weekends and holidays The holiday season (December 23, 2017 - January 5, 2018) and (December 23, 2018 - December 31, 2018) From 17 to 24 February 2018, from 3 to 11 March 2018 and from 18 to 20 August 2018. Certificate must be presented upon arrival.