# 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 9: As regards quality aromatic sparkling wines bearing a protected designation of origin:

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

(a)these wines may be obtained solely by using, for constituting the cuvée, grape must or partially fermented grape must of vine varieties on the list given in the Appendix to this Annex, provided that these varieties are recognised as suitable for the production of quality sparkling wines bearing a protected designation of origin in the region whose name the quality sparkling wines bearing a protected designation of origin bear. ...
(b)control of the fermentation process before and after the cuvée has been constituted, in order to render the cuvée sparkling, may be effected only by refrigeration or other physical processes;
(c)the addition of expedition liqueur shall be prohibited;
(d)the actual alcoholic strength by volume of quality aromatic sparkling wines bearing a protected designation of origin may not be less than 6 % vol.;
(e)the total alcoholic strength by volume of quality aromatic sparkling wines bearing a protected designation of origin may not be less than 10 % vol.;
(f)when kept at a temperature of 20 °C in closed containers, quality aromatic sparkling wines bearing a protected designation of origin must have an excess pressure of not less than 3 bar;
(g)notwithstanding point 6 of this Section, the duration of the process of producing quality aromatic sparkling wines bearing a protected designation of origin must not be less than one month.

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Source: https://www.legislation.gov.uk/eur/2019/934/annex/II/division/C/division/9 (the official version)
Page: https://openlegislation.uk/eu-regulation-2019-934/annex-II/division-C/division-9
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.