There are 12 teams in Division 1, divided into 1A and 1B. Each team plays all the others once, either home or away. Teams earn one point for a draw and two for a win.
The first-placed teams in 1A and 1B progress to the NHL semi-finals
The second- and third-placed teams in 1A and 1B progress to the quarter-finals
The fifth- and sixth-placed teams in 1A and 1B go into a relegation playoff.
There are 10 teams in Division 2, split into 2A and 2B.
The first- and second-placed teams in 2A and 2B progress to the Division 2 semi-finals
The fourth- and fifth-placed teams in 2A and 2B go into a relegation playoff.
There are 6 teams in Division 3. The top two play each other in the final, with the winner promoted. The bottom two teams play a relegation playoff.
There are 5 teams in Division 4. The top two play each other in the final, with the winner promoted.