1. In order to guarantee a certain quality level, it should be laid down that these practices and processes may only be used for the purpose of ensuring proper vinification and/or proper preservation.
2. It inspires a degree of confidence in the consumer if the various stages in the manufacture of a quality sparkling wine produced in a specified region, hereinafter called 'quality sparkling wine psr', i.e. cultivation of the grapes, the
wine-making process, the growth of the wine and the process of secondary fermentation, have been monitored by the same natural of legal person.