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

This special issue of the journal, which collects some of the papers presented at the latest World Congress of the International Association of Constitutional Law in Oslo, is entirely devoted to subnational constitutionalism. Its approach is mainly comparative and interdisciplinary. The symposium is divided into three sections: theoretical problems, national reports, and comparative analyses. The papers deal with ever-recurring issues, as well as with emerging discussions (e.g., the debates about secession in Scotland and Catalonia, and the drafting of a “Charter” for Flanders).