Changes made by Commission Delegated Regulation (EU) 2020/565 of 13 February 2020 correcting Delegated Regulation (EU) 2019/934 as regards transitional arrangements for the marketing of stocks of grapevine products: 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