Perspectives on Federalism is a free on-line peer-reviewed journal, promoted by the Centre for Studies on Federalism.

  In the latest years, the Spanish constitutional system has been characterized by a proliferation of sub-national fundamental charters (“Estatutos de las Comunidades Autónomas”, hereinafter CAs): in fact, many CAs are currently exploring the possibility to amend their basic charters. This short review article aims at providing a brief overview of the recent developments in this field occurred in Spain