11. The effervescence of a wine is designated by one of the following expressions:(1) “crackling”: where a wine naturally contains carbon dioxide under a pressure of between 1.2 and 2 absolute atmospheres, measured at a temperature of 10 ºC;
(2) “crackling carbonated”: wine to which carbon dioxide is added under a pressure of between 1.2 and 2 absolute atmospheres, measured at a temperature of 10 ºC;
(3) “sparkling”: wine which naturally contains carbon dioxide under a pressure of between 3 and 5 absolute atmospheres, measured at a temperature of 10 ºC; or
(4) “sparkling carbonated”: wine to which carbon dioxide is added under a pressure of between 3 and 5 absolute atmospheres, measured at a temperature of 10 ºC.
The word “carbonated” may be replaced by the expression “artificial effervescence”.