There were 24 teams in the First Division. At the end of each season the top two teams, together with the winner of the play-offs between the teams which finished in 3rd-6th position, were promoted to the Premier League and are replaced by the three teams that finished at the bottom of the Premier League. Similarly the three teams that finished at the bottom of the First Division were relegated to the Second Division and replaced by the teams which finished 1st, 2nd, and won the 3rd-6th place play-off winners, in that division.