2. Liga
There were ten clubs in the league. The champion promotes to the Bundesliga, the last team of the Bundesliga is relegated to the Erste Liga. The last three teams of this league are relegated to the Regionalliga, the champions of the 3 Regionalligen are promoted to the Erste Liga as fare they are licenced. Beginning with the 2018–19 season the former First League changed its name to the Second League and expanded from ten teams to 16 teams.  Also amateurteams of a club from the Bundesliga are allowed.