A total of 10 CONMEBOL teams entered the competition. The South American zone was allocated 3.5 places (out of 16) in the final tournament. , the hosts, qualified automatically, leaving 2.5 spots open for competition between 9 teams.
There would be two rounds of play:
First Round: The 9 teams were divided into 3 groups of 3 teams each. The teams would play against each other on a home-and-away basis. The group winners would advance to the Final Round.
Final Round: The 3 teams would play against each other once in Colombia. The group winner and runner-up would qualify. The third-placed team would advance to the UEFA / CONMEBOL Intercontinental Play-off.