There were 48 teams in this division this season, including four U-21 teams, which were the eldest youth teams of the professional clubs in the
Super League and the
Challenge League. The 1. Liga was divided into three regional groups, each with 16 teams. Within each group, the teams would play a double
round-robin to decide their positions in the league. The three group winners and the three runners-up then contested a play-off for the two promotion slots. The U-21 teams were not eligible for promotion and could not compete the play-offs. The two last placed teams in each group were directly relegated to the
2. Liga Interregional. ==Group 1==