Appellation Châteauneuf-du-Pape, obtained legal recognition of the Côtes du Rhône appellation of origin in 1937. The AOC seal, or Appellation d'Origine Contrôlée, was created and mandated by French laws in the 1950s, 1960s, and 1970s. Before 1935, despite the fact that the INAO was yet to be created, champagne enjoyed an appellation control by virtue of legal protection as part of the Treaty of Madrid. The treaty stated that only sparkling wine produced in Champagne and adhering to the standards defined for that name as an Appellation d'Origine Contrôlée could be called champagne. This right was reaffirmed in the Treaty of
French Constitutional Laws of 1875 French Constitutional Laws of 1875 The Constitutional Laws of 1875 were the laws passed in France by the National Assembly between February and July 1875 which established the Third French Republic. The constitution laws could be roughly divided into three laws: This was the only time that a republic in France was not defined or organized by a genuine constitution. The situation continued during the Vichy Period, where the French Constitutional Law of 1940, along with Philippe Pétain's "Act No. 2", heavily circumscribed the 1875 laws. The laws were legally revoked only during the promulgation of the French Constitution of