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.