Format
The competition is a knockout one. Teams are drawn against each other randomly. The team who is drawn first from each tie is the home team. If the first match finishes in a draw, a replay is played at the stadium of the second team drawn. In the replay, if the scores are still level at full-time, extra time is played and (if necessary) penalties are used to decide the winner of the tie.
The semi-final matches are played at neutral stadiums, usually the national stadium (smaller stadiums if the teams do not bring a large support) Hampden Park and the final itself is traditionally played at Hampden. Celtic Park staged the finals in 1993 and 1998 and Ibrox staged the final in 1997 while Hampden was being redeveloped. The final and semi-final do not have replays and are played to a finish. Extra time is played and penalties are used if necessary. Two finals (1990 and 2006) have been decided by penalties.
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