1. The world rules of carom billiard complete the statutes and regulations of the UMB. They are applicable at all world championships and intercontinental tournaments officially recognized by the UMB.
2. The cases which are not provided by the rules of the UMB or the case of force majeure will be regulated by the the official delegate of the UMB or by his substitute after consultation with the official

It is the player's responsibility to be aware of all rules, regulations and schedules applying to competition. While tournament officials will make every reasonable effort to have such information readily available to all players as appropriate, the ultimate responsibility rests with the player.