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Season

Regular Season:
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Format:
25 teams, each plays the others once - for a total of 24 games each, over 25 game weeks.

Scoring points:
3 points for a win, 1 point for a draw, 0 points for a loss.

Table order:
1. points won; 2. play-off (only for deciding promotion or relegation); 3. total goal difference; 4. total goals scored; 5. points in head-to-head matches; 6. goal difference in hth matches; 7. goals scored in hth matches.

Relegation to the league:
4 teams from Superliga

Promotion from the league:
1 place: promoted to Superliga
2-9 place: enter Promotion Play-off

Relegation from the league:
Each team's points from participation in the 2016/2017, 2017/2018 and 2018/2019 Prim B Nacional are summed, and that total is divided by the number of games played during that period.
Teams are ranked in a Promedio table, based on the resulting average score.
23-25 place in the Promedio table: relegated to Prim B Metro or Torneo Federal A

Promedio table order:
1. average points score; 2. play-off (only for deciding relegation).

Promotion to the league:
2 teams from Prim B Metro
2 teams from Torneo Federal A


Promotion Play-off:
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Format:
8 teams from the Regular Season contest one place in Superliga in a knockout format.
Teams are ranked 1st-8th according to their Regular Season standings.

Quarter-finals:
Teams are paired according to their ranking:
1st vs 8th;
2nd vs 7th;
3rd vs 6th;
5th vs 4th.
Winners are decided over two legs.
The higher placed teams from the Regular Season host the second legs.

Semi-finals:
Teams are paired according to their ranking:
best ranked - worst ranked;
2nd best ranked - 3rd best ranked.
Winners are decided over two legs.
The higher placed teams from the Regular Season host the second legs.

Final:
The two Semi-finals winners meet each other with the winner becoming Promotion Play-off winner.
Winner is decided over two legs.
The higher placed team from the Regular Season hosts the second leg.

Tie-breakers for the Promotion Play-off ties over two legs:
1. aggregate score from the two legs, 2. penalties.

Promotion from the league:
winner: promoted to Superliga