The French Wine Appellation System:

In France, the Institut National des Appellations d'Origine (INAO, Institute of controlled term of origin) is an institution according to the food and wines a geographical certification. This appellation guarantees the origin and the making of the product. Wines are categorized under the following grades:

- AOC: Appellation d'Origine Controlée
- VDQS : Vin Delimité de Qualité Supérieure (possible translation: "quality wine of origin")
- Vin de Pays: Possible translation: "country wine".
- Vin de Table: Possible translation: "table wine".