Eight teams with best 3year avg pts form two groups:the first from first Group plays with the second from second Group and vice versa and the winners qualify for the Copa Libertadores whilst the team with the less 3year avg pts relegates.The first two from each Group qualify for the play offs. If a third team from any Group has more points than a second team from any Group then they play pre-qualify games. The winner is that periods champion.
In the event of a points tie the following will apply:
1. Goal difference.
2. Most scored goals.
3. Matches between them.
4. Most away goals in the matches.