From 1993 to 2001 the league was divided into the Western and Eastern divisions. Since the 2001/2002 season the current division to Western, Central and Eastern applies, with the exception of the 2008/2009 season when the Central Division was incorporated into the Western Division. From the 1996/1997 season the play-offs were introduced, they were joint for both divisions. From 1999 to 2001 the Western and Eastern division had separate play-offs. From the 2001/2002 season the Western and Central divisions have joint play-offs, while the Eastern Division has separate play-offs.
For the 2009/2010 season, 33 teams are divided into the Western, Central and Eastern divisions. Winners of the league play-offs play promotion play-offs with the worst teams from the First National Hockey League.