Just like the Campeonato Brasileiro, groups during the reduce series, including B and C, might be promoted to the highest division on a yearly basis. In the situation of Italy, just the top three teams in Serie B are promoted to Serie A (in Brazil, promotion occurs for four groups https://keo-nha-cai-tv77642.tkzblog.com/37339569/not-known-factual-statements-about-what-is-serie-a