I gruppi parlamentari nell'organizzazione della Camera e del Senato

The contribution examines the evolution of the regulation of parliamentary groups in the Italian Chamber and Senate. The analysis moves from the very first provisions regulating this matter, that were introduced in 1920 under the Albertine Statute. Then, the contribution explores the reactivation of the regulation of parliamentary groups at the dawn of the Italian Republican experience, investigating its subsequent transformations, till today. Some concluding remarks are devoted to perspectives and recent reform proposals, especially those deriving from the constitutional amendment on symmetric bicameralism approved in 2016 (currently subject to a referendum). This reform aims at introducing a new Senate, that would represent territorial autonomies and exercise, among others, a “connecting function”, thus requiring an appropriate balance of the political cleavage with the territorial and institutional ones.