[1] Due to the 2019 Chilean protests, the competition was suspended since mid-October with three matches as well as the promotion play-offs still left.
After a failed attempt to resume normal activity,[2] on 29 November 2019, ANFP's Council of Presidents voted to conclude the season.
The team that finished in first place at the end of the round-robin tournament earned promotion to the Campeonato Nacional for the 2020 season as Primera B champions.
Meanwhile, the teams finishing from second to tenth place will play a playoff tournament for the second promotion berth, with the season runners-up having a bye to the final.
[5][6] All matches of the promotion play-off were played at a neutral venue, in this case Estadio Nacional Julio Martínez Prádanos in Santiago.