In a closely fought match, a team is holding three close shots when its skip accidentally moves the jack a few centimetres without changing the scoring situation. What should be done?
The opposing Skip must put the jack back to its former position. Law 38.1.3
As the players change over during a team game a small child (not a member of either team) wanders onto the rink and plays with the jack. What action must be taken and by whom?
The jack has been disturbed by a neutral person. The Skips must, by agreement, put the jack back to its former position. If they are unable to agree, the end must be declared dead. Law 38.3.3