That the Protected Designation of Origin (PDO) Cava, which in addition to the traditional wineries of Penedès –90% of production is made in Catalonia– integrates others from territories such as Aragon, Navarre, La Rioja, the Basque Country, the Valencian Community and Extremadura, was not a very comfortable arrangement for some producers was already known. The product's visibility is not very uniform, probably due to the disparity of origins, and the state-level regulations governing the designation do not satisfy some producers.