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.
The promotion and relegation system was a pivotal feature of the league: by the season's end, the weakest teams in Serie B were matched against the strongest teams in the Lega Serie C, effectively merging the League with the Italian football pyramid.