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
Gun laws in Texas Gun laws in Texas Gun laws in Texas regulate the sale, possession, and use of firearms and ammunition in the U.S. state of Texas. <onlyinclude> </onlyinclude> Texas has no laws regarding possession of any firearm regardless of age; all existing restrictions in State law mirror Federal law except for the prohibition of zip guns. A person of any age may possess a firearm such as at a firing range. Texas and Federal law only regulate the ownership of all firearms to 18 years of age or older, and regulate the transfer of handguns to 21 years or older by FFL