Where the prize includes tickets, the BBC will not be responsible for any failure of the ticket holders to gain entry or re-entry to the event due to the behaviour of the ticket holder or their failure to meet the admission requirements of the event, including minimum age of the ticket holders.

BBC: The Eavesdrop: Terms & Conditions

This qualifies 10 teams which, in addition to the host nation, creates a minimum of 11 for the Olympic event.

BBC: London 2012 Olympics qualifying: Equestrian

It said that an increase of two inches in the minimum gap between backrests was needed for people to escape easily in the event of an emergency.

BBC: Civil Aviation Authority report