20 teams competed, each team playing the other 19 twice in a double round-robin format (one home game, one away).
At the season finale, São Paulo were the champions.
Several teams had their attentions divided between other tournaments over the same duration: On 8 July, Botafogo's player Dodô was caught on a doping exam.
On 24 July, it was confirmed that he was banned for 120 days.
In a new case, on 2 August, the player was acquitted.