Appellation d'origine contrôlée Portugal's Denominação de Origem Controlada, Austria's Districtus Austria Controllatus, South Africa's Wine of Origin, and Switzerland's AOC-IGP are all similar to the French AOC system as well. It appears also that AOC influenced the development of the European Union's protected designation of origin (PDO) system. Switzerland has an "appellation d'origine contrôlée" certification for wines and an "appellation d'origine protégée" certification for other food products. Before 2013, the "appellation d'origine contrôlée" was used for all products. The United States' American Viticultural Areas also follows the model set by the French AOC. The United States Department of the Treasury's Alcohol and Tobacco
Geographical indications and traditional specialities in the European Union colonised by the fungus "Penicillium roqueforti" that grows in these caves. This system is similar to appellation systems used throughout the world, such as the "appellation d'origine contrôlée" (AOC) used in France, the "denominazione di origine controllata" (DOC) used in Italy, the "denominação de origem controlada" (DOC) used in Portugal, the "denominación de origen" (DO) system used in Spain and the "Denumire de origine controlată" (DOC) system used in Romania. In many cases, the EU PDO/PGI system works parallel with the system used in the specified country, and in some cases is subordinated to the appellation system that was already