[1] The tournament is held annually on the last weekend of February at varying venues in one of the competing countries, which are decided in joint meetings.
[1] The competition must not be staged in the same country that is hosting that years annual British International Championships.
[2] Each national darts organisation names a squad that's consists of six men and four women, out of which any five men and three women may play in any match, with one player on standby for each squad (for both the men and women).
[1] The top two teams from each group advance to the semi-finals.
[1] Prior to both semi finals and the final, a 5th/6th place play-off takes place between both groups bottom teams.