The article analyzes the role played by the Spanish Constitutional Court (tc) in relation to the Catalan matter. The first part adopts a theoretical approach to study the position of the constitutional judge in systems that are nationally complex. The work then analyzes the relevant case law of the tc. from the well-known judgment 31/2010 on the Catalan Statute to the most recent deci... https://www.mariameetsanna.com/product-category/ab9/