10 teams, each plays the others twice - home and away - for a total of 18 games each, over 18 game weeks.
3 points for a win, 1 point for a draw, 0 points for a loss.
1. points won; 2. points in head-to-head matches; 3. goal difference in hth matches; 4. goals scored in hth matches; 5. total goal difference; 6. total goals scored; 7. play-off.
Qualification for AFC competitions:
1 place: AFC Cup
Relegation from the league:
9-10 place: relegated to Segunda Divisão
Promotion to the league:
2 teams from Segunda Divisão