General rules on blending and coupage
Article 8
1. A wine may be obtained by blending or coupage only where the constituents of that blending or coupage possess the required characteristics for obtaining wine and comply with Regulation (EU) No 1308/2013 and this Regulation. Coupage of a non-PDO/PGI white wine with a non-PDO/PGI red wine cannot produce a rosé wine. However, the second subparagraph does not exclude coupage of the type referred to therein where the final product is intended for the preparation of a cuvée as defined in point 12 of Part IV of Annex II to Regulation (EU) No 1308/2013 or intended for the production of semi-sparkling wines. 2. Coupage of a grape must or a wine which has undergone the oenological practice referred to in point 11.1 of Table 2 of Part A of Annex I to this Regulation with a grape must or a wine which has not undergone that practice shall be prohibited.