League
The member clubs of the Lega Calcio were grouped into two divisions: the Serie A and Serie B. In any given season a club played each of the others in the same division twice, once at their home stadium and once at that of their opponents.
Clubs gained three points for a win (two before 1994) one for a draw, and none for a defeat. At the end of each season, the club with the most points in the Serie A was crowned champion. If points were equal, the head-to-head records determined the winner (tie-breakers were also used in the past). If still equal, the goal difference and then goals scored became the deciding factors. As for Serie B, at the top end two, three or four clubs won promotion to Serie A, with the bottom Serie A clubs taking their places. At the lower end, three or four club were relegated to the Serie C, while teams from the Lega C joined in their place.
Promotion and relegation were determined by final league positions, but to sustain interest for more clubs over the length of the season in the later years one promotion place from Serie B was decided according to a playoff between four clubs, which took place at the end of the season. It was therefore possible for a team finishing sixth in the championship to be promoted rather than the clubs finishing immediately above them in the standings. Likewise, one relegation place to the Serie C1 was decided according to a playoff between two clubs.
Youth teams of Lega Calcio clubs played in the Campionato Nazionale Primavera, as well as competing in their own cup competitions, such as the Coppa Italia Primavera and the Supercoppa Primavera.
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