# Commission Delegated Regulation (EU) 2019/934 of 12 March 2019 supplementing Regulation (EU) No 1308/2013 of the European Parliament and of the Council as regards wine-growing areas where the alcoholic strength may be increased, authorised oenological practices and restrictions applicable to the production and conservation of grapevine products, the minimum percentage of alcohol for by-products and their disposal, and publication of OIV files, Division 1: The total alcoholic strength by volume of the cuvées intended for the preparation of quality sparkling wines bearing a protected designation of origin shall be not less than:

Extent: E+W+S+N.I.

...
9 % vol. ...

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Source: https://www.legislation.gov.uk/eur/2019/934/annex/II/division/C/division/1 (the official version)
Page: https://openlegislation.uk/eu-regulation-2019-934/annex-II/division-C/division-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.