The ten teams competed in a double round-robin tournament, one game at home and one away.
The winner of each group also qualified to the 2007 and 2008 Copa Sudamericana, respectively.
The Liguilla Final was a double round-robin tournament between the six qualified teams of the First and Second Stage.
The winner of the Liguilla Final was crowned the Serie A champion.
The Liguilla Final was played between October 21, 2007 and December 16, 2007.