[1] The reforms were proposed and initially approved during Berlusconi II and III cabinet between October 2004 and November 2005.

If ultimately approved by referendum, in continuation with the 2001 constitutional enacted modifications, these reforms would have substantially completed the transformation of Italy from a unitary state into a federal republic.

[1] The second confirmatory referendum in Italian republican history, launched on the initiative of the center-right legislature XIV, it aimed at modifying the second part of the Constitution of Italy in several respects.

The constitutional law revision, approved by an absolute majority of the members of the Italian Parliament, according to the provisions of art.

[2] The Italian Parliament as a whole would have undergone a reduction in the number of deputies (from 630 to 518) and senators (from 315 to 252) for a total cut of 175 MPs, down from 945 to 770 seats.