French name for the custom in the area Champagne, already at the beginning of vintage under official supervision for the grapes set a specific price per kilogram according to a defined quality standard in three classes. The association responsible for Champagne CIVC (Comité Interprofessionnel du Vin de Champagne) presents annually the prices of the varieties in front. All 312 municipalities are classified and ranked between 80 and 100%. The grapes of the Grand Cru vineyards with 100% are used annually for the price formation, this corresponds to the full price. The grapes of all other locations receive a discount of up to 20% depending on their classification or classification.
The bandwidth is adjusted more or less regularly, there were already lower limits with 75 and 77%. However, the winemakers are free to negotiate the prices of their vines. The result is called Échelle des crus (meaning "scale or ranking of the plants"). The Crus often have different characteristics regarding soil condition, location and climate which are used as criteria for the evaluation. The grape varieties play a role, there is Grands Crus for Pinot Noir and Chardonnay but not for relatively small areas of Pinot Meunier,
The "Hors classe catégorie" (hors = exceptional) is rated 100%, that is the Grands Crus, This is 17 municipalities with about 4,000 hectares, which makes up 11% of the total area of Champagne. The Grand Cru communities are Ambonnay, Avize. Aÿ, Beaumont-sur-Vesle, Bouzy, Chouilly, Cramant, Louvois, Mailly, Mesnil-sur-Oger. Oger, Oiry, Puisieux, Sillery, Tours-sur-Marne, Verzenay and Verzy. In the second grade Premiers Crus or "1er Crus" 41 municipalities are classified with approximately 5,000 hectares, which corresponds to 14%. These are rated at 90 to 99%. The third class comprises 254 communities with approximately 25,000 hectares; these receive 80 to 89%. Producers are only allowed to call their champagne Grand Cru or Premier Cru if all vines come from such crus without exception. The champagne houses use for the finest champagnes Cuvée de Prestiges only grapes from Grand Crus, these are the 100% champagne.
A detailed description of sparkling wine production with all processing steps is available at champagne, Complete listings of the numerous vinification methods and cellar techniques, as well as the wine-regulated wine, sparkling wine and distillate types are under the keyword winemaking contain. Comprehensive information on wine law is available under the keyword wine law,