The winner of each semifinal group advanced to the final of the tournament, which was played as a double-legged series.
The winner of the final was declared the tournament champion and participated in the 2013 Copa Libertadores.
The Semifinal stage began on June 13 and ended on July 8.
Source:[4] The Semifinal stage began on November and ended on December.
A separate table is kept to determine the teams that get relegated to the Categoría Primera B for the next season.