Similar to the Campeonato Brasileiro, groups within the lessen series, for example B and C, can be promoted to the highest division every year. In the situation of Italy, only the major 3 groups in Serie B are promoted to Serie A (in Brazil, advertising transpires for 4 teams in https://keonhacai549158.blogoscience.com/44099658/the-smart-trick-of-what-is-serie-a-that-nobody-is-discussing