Promotion and relegation between the divisions were a central feature of the league: at the end of the season the bottom clubs of Serie B switched with the top clubs of the Lega Serie C (or its predecessors), thus integrating the League into the Italian football league system.
A crucial element of the league was the promotion and relegation between divisions: by the conclusion of each season, the weakest teams in Serie B swapped positions with the strongest teams in the Lega Serie C, effectively uniting the League within the Italian football hierarchy.