The 2024 Série A2 will be contested by 10 clubs. In the first stage, each team will play the other nine teams in a single round-robin tournament. The bottom two teams will be relegated to the 2025 Série A3.
The top two teams from the first stage will advance to the semi-finals, while the third through sixth teams will advance to the quarter-finals. The two finalists will be promoted to the 2025 Série A1.