The teams were divided into two zones, North and South, all of which went to the Second Stage: the first four of each zone and the fifth best team of both zones qualified to the "Nonagonal Final", and the other teams qualified to Revalida Stage.
It consisted of nine teams that qualified from the First Stage. The winner was promoted to the Primera B Nacional. It was played in a round-robin system. The 2 and 3 team advanced directly to the Fourth Stage, while the 4th to the 9th advanced to the Third Stage.
Results
Reválida Stage
The fifteen clubs that did not qualify for the Nonagonal Final were grouped into three zones of five teams each. To integrate the zones a table was drawn with the fifteen clubs and its overall standings with points obtained in the First Stage. Teams in position 1,6,7,12,15 went to Zone A; teams in position 2,5,8,11,14 went to Zone B and teams in position 3,4,9,10,13 went to Zone C.
Zone A
Results
Overall standings
Addition of points of First Stage and Reválida Stage.
Zone B
Results
Overall standings
Addition of points of First Stage and Reválida Stage.
Zone C
Results
Overall standings
Addition of points of First Stage and Reválida Stage.
Tiebreaker
Third to Sixth Stage
Was played by the teams ranked 2nd to 9th in the Nonagonal Final and the teams that qualified from Revalida Stage. To order the matches a table was drawn which contained the teams from the Nonagonal Final and the teams from the Revalida numbering them from 2º to 15º.
From Nonagonal Final
From Revalida
Third Stage
This Stage was played by the teams in position 4º to 9º from the Nonagonal Final and the teams from the Revalida. The winning teams qualify for Fourth Stage. In case of a tie the teams from position 4º to 9º qualified for the next stage. 1: Qualified because of sport advantage.
This Stage was played by the teams ranked 2º and 3º Nonagonal Final and the teams that qualified from the Third Stage. In case of a tie the teams from position 2º, 3º, W1 and W2 qualified for the next stage. 1: Qualified because of sport advantage.
This Stage was played by the teams that qualified from the Fourth Stage. The matches will be W1 vs W4 and W2 vs W3. In case of a tie, W1 and W2 qualified for the next stage. 1: Qualified because of sport advantage.
Sixth Stage
This Stage was played by the teams that qualified from the Fifth Stage, W1 vs W2. The winning team will be promoted to Primera B Nacional. In case of a tie, W1 was promoted. 1: Promoted because of sport advantage.